257423265

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 543763584

約数和(自身を除く): 286340319

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 81, 85, 99, 103, 121, 135, 153, 165, 187, 243, 255, 297, 309, 363, 405, 459, 495, 515, 561, 605, 765, 891, 927, 935, 1089, 1133, 1215, 1377, 1485, 1545, 1683, 1751, 1815, 2057, 2295, 2673, 2781, 2805, 3267, 3399, 4131, 4455, 4635, 5049, 5253, 5445, 5665, 6171, 6885, 8343, 8415, 8755, 9801, 10197, 10285, 12463, 13365, 13905, 15147, 15759, 16335, 16995, 18513, 19261, 20655, 25029, 25245, 26265, 29403, 30591, 30855, 37389, 41715, 45441, 47277, 49005, 50985, 55539, 57783, 62315, 75735, 78795, 91773, 92565, 96305, 112167, 125145, 141831, 147015, 152955, 166617, 173349, 186945, 211871, 227205, 236385, 275319, 277695, 288915, 336501, 425493, 458865, 499851, 520047, 560835, 635613, 709155, 833085, 866745, 1009503, 1059355, 1376595, 1560141, 1682505, 1906839, 2127465, 2499255, 2600235, 3028509, 3178065, 4680423, 5047515, 5720517, 7800705, 9534195, 15142545, 17161551, 23402115, 28602585, 51484653, 85807755, 257423265]

約数ペア:

[(1, 257423265), (3, 85807755), (5, 51484653), (9, 28602585), (11, 23402115), (15, 17161551), (17, 15142545), (27, 9534195), (33, 7800705), (45, 5720517), (51, 5047515), (55, 4680423), (81, 3178065), (85, 3028509), (99, 2600235), (103, 2499255), (121, 2127465), (135, 1906839), (153, 1682505), (165, 1560141), (187, 1376595), (243, 1059355), (255, 1009503), (297, 866745), (309, 833085), (363, 709155), (405, 635613), (459, 560835), (495, 520047), (515, 499851), (561, 458865), (605, 425493), (765, 336501), (891, 288915), (927, 277695), (935, 275319), (1089, 236385), (1133, 227205), (1215, 211871), (1377, 186945), (1485, 173349), (1545, 166617), (1683, 152955), (1751, 147015), (1815, 141831), (2057, 125145), (2295, 112167), (2673, 96305), (2781, 92565), (2805, 91773), (3267, 78795), (3399, 75735), (4131, 62315), (4455, 57783), (4635, 55539), (5049, 50985), (5253, 49005), (5445, 47277), (5665, 45441), (6171, 41715), (6885, 37389), (8343, 30855), (8415, 30591), (8755, 29403), (9801, 26265), (10197, 25245), (10285, 25029), (12463, 20655), (13365, 19261), (13905, 18513), (15147, 16995), (15759, 16335)]