27817525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 39439440

約数和(自身を除く): 11621915

約数列:

[1, 5, 17, 25, 29, 37, 61, 85, 145, 185, 305, 425, 493, 629, 725, 925, 1037, 1073, 1525, 1769, 2257, 2465, 3145, 5185, 5365, 8845, 11285, 12325, 15725, 18241, 25925, 26825, 30073, 38369, 44225, 56425, 65453, 91205, 150365, 191845, 327265, 456025, 751825, 959225, 1112701, 1636325, 5563505, 27817525]

約数ペア:

[(1, 27817525), (5, 5563505), (17, 1636325), (25, 1112701), (29, 959225), (37, 751825), (61, 456025), (85, 327265), (145, 191845), (185, 150365), (305, 91205), (425, 65453), (493, 56425), (629, 44225), (725, 38369), (925, 30073), (1037, 26825), (1073, 25925), (1525, 18241), (1769, 15725), (2257, 12325), (2465, 11285), (3145, 8845), (5185, 5365)]