81453275

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{463}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 104945664

約数和(自身を除く): 23492389

約数列:

[1, 5, 25, 31, 155, 227, 463, 775, 1135, 2315, 5675, 7037, 11575, 14353, 35185, 71765, 105101, 175925, 358825, 525505, 2627525, 3258131, 16290655, 81453275]

約数ペア:

[(1, 81453275), (5, 16290655), (25, 3258131), (31, 2627525), (155, 525505), (227, 358825), (463, 175925), (775, 105101), (1135, 71765), (2315, 35185), (5675, 14353), (7037, 11575)]