25217985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1637}}^1$

素因数の和:1737

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 18811455

約数列:

[1, 3, 5, 13, 15, 39, 65, 79, 195, 237, 395, 1027, 1185, 1637, 3081, 4911, 5135, 8185, 15405, 21281, 24555, 63843, 106405, 129323, 319215, 387969, 646615, 1681199, 1939845, 5043597, 8405995, 25217985]

約数ペア:

[(1, 25217985), (3, 8405995), (5, 5043597), (13, 1939845), (15, 1681199), (39, 646615), (65, 387969), (79, 319215), (195, 129323), (237, 106405), (395, 63843), (1027, 24555), (1185, 21281), (1637, 15405), (3081, 8185), (4911, 5135)]