204620823

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 112

約数和(自身を含む): 377740800

約数和(自身を除く): 173119977

約数列:

[1, 3, 9, 11, 17, 19, 27, 33, 51, 57, 79, 81, 99, 153, 171, 187, 209, 237, 243, 297, 323, 459, 513, 561, 627, 711, 729, 869, 891, 969, 1343, 1377, 1501, 1539, 1683, 1881, 2133, 2607, 2673, 2907, 3553, 4029, 4131, 4503, 4617, 5049, 5643, 6399, 7821, 8019, 8721, 10659, 12087, 12393, 13509, 13851, 14773, 15147, 16511, 16929, 19197, 23463, 25517, 26163, 31977, 36261, 40527, 44319, 45441, 49533, 50787, 57591, 70389, 76551, 78489, 95931, 108783, 121581, 132957, 136323, 148599, 152361, 211167, 229653, 235467, 280687, 287793, 326349, 364743, 398871, 445797, 633501, 688959, 842061, 863379, 979047, 1094229, 1196613, 1337391, 2066877, 2526183, 2590137, 3589839, 4012173, 6200631, 7578549, 10769517, 12036519, 18601893, 22735647, 68206941, 204620823]

約数ペア:

[(1, 204620823), (3, 68206941), (9, 22735647), (11, 18601893), (17, 12036519), (19, 10769517), (27, 7578549), (33, 6200631), (51, 4012173), (57, 3589839), (79, 2590137), (81, 2526183), (99, 2066877), (153, 1337391), (171, 1196613), (187, 1094229), (209, 979047), (237, 863379), (243, 842061), (297, 688959), (323, 633501), (459, 445797), (513, 398871), (561, 364743), (627, 326349), (711, 287793), (729, 280687), (869, 235467), (891, 229653), (969, 211167), (1343, 152361), (1377, 148599), (1501, 136323), (1539, 132957), (1683, 121581), (1881, 108783), (2133, 95931), (2607, 78489), (2673, 76551), (2907, 70389), (3553, 57591), (4029, 50787), (4131, 49533), (4503, 45441), (4617, 44319), (5049, 40527), (5643, 36261), (6399, 31977), (7821, 26163), (8019, 25517), (8721, 23463), (10659, 19197), (12087, 16929), (12393, 16511), (13509, 15147), (13851, 14773)]