195990705

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 398131200

約数和(自身を除く): 202140495

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 47, 51, 69, 79, 85, 115, 135, 141, 153, 207, 235, 237, 255, 345, 391, 395, 423, 459, 621, 705, 711, 765, 799, 1035, 1081, 1173, 1185, 1269, 1343, 1817, 1955, 2115, 2133, 2295, 2397, 3105, 3243, 3519, 3555, 3713, 3995, 4029, 5405, 5451, 5865, 6345, 6715, 7191, 9085, 9729, 10557, 10665, 11139, 11985, 12087, 16215, 16353, 17595, 18377, 18565, 20145, 21573, 27255, 29187, 30889, 33417, 35955, 36261, 48645, 49059, 52785, 55131, 55695, 60435, 63121, 81765, 85399, 91885, 92667, 100251, 107865, 145935, 154445, 165393, 167085, 181305, 189363, 245295, 256197, 275655, 278001, 315605, 426995, 463335, 496179, 501255, 568089, 768591, 826965, 834003, 946815, 1280985, 1390005, 1451783, 1704267, 2305773, 2480895, 2840445, 3842955, 4170015, 4355349, 7258915, 8521335, 11528865, 13066047, 21776745, 39198141, 65330235, 195990705]

約数ペア:

[(1, 195990705), (3, 65330235), (5, 39198141), (9, 21776745), (15, 13066047), (17, 11528865), (23, 8521335), (27, 7258915), (45, 4355349), (47, 4170015), (51, 3842955), (69, 2840445), (79, 2480895), (85, 2305773), (115, 1704267), (135, 1451783), (141, 1390005), (153, 1280985), (207, 946815), (235, 834003), (237, 826965), (255, 768591), (345, 568089), (391, 501255), (395, 496179), (423, 463335), (459, 426995), (621, 315605), (705, 278001), (711, 275655), (765, 256197), (799, 245295), (1035, 189363), (1081, 181305), (1173, 167085), (1185, 165393), (1269, 154445), (1343, 145935), (1817, 107865), (1955, 100251), (2115, 92667), (2133, 91885), (2295, 85399), (2397, 81765), (3105, 63121), (3243, 60435), (3519, 55695), (3555, 55131), (3713, 52785), (3995, 49059), (4029, 48645), (5405, 36261), (5451, 35955), (5865, 33417), (6345, 30889), (6715, 29187), (7191, 27255), (9085, 21573), (9729, 20145), (10557, 18565), (10665, 18377), (11139, 17595), (11985, 16353), (12087, 16215)]