155121395

素因数分解:

$5^1\times {\mathrm{11}}^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 40

約数和(自身を含む): 221862480

約数和(自身を除く): 66741085

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 163, 605, 715, 815, 1331, 1573, 1793, 2119, 6655, 7865, 8965, 10595, 14641, 17303, 19723, 23309, 73205, 86515, 98615, 116545, 190333, 216953, 256399, 951665, 1084765, 1281995, 2386483, 2820389, 11932415, 14101945, 31024279, 155121395]

約数ペア:

[(1, 155121395), (5, 31024279), (11, 14101945), (13, 11932415), (55, 2820389), (65, 2386483), (121, 1281995), (143, 1084765), (163, 951665), (605, 256399), (715, 216953), (815, 190333), (1331, 116545), (1573, 98615), (1793, 86515), (2119, 73205), (6655, 23309), (7865, 19723), (8965, 17303), (10595, 14641)]