1581125

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:174

約数の個数: 32

約数和(自身を含む): 2446080

約数和(自身を除く): 864955

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 139, 175, 325, 455, 695, 875, 973, 1625, 1807, 2275, 3475, 4865, 9035, 11375, 12649, 17375, 24325, 45175, 63245, 121625, 225875, 316225, 1581125]

約数ペア:

[(1, 1581125), (5, 316225), (7, 225875), (13, 121625), (25, 63245), (35, 45175), (65, 24325), (91, 17375), (125, 12649), (139, 11375), (175, 9035), (325, 4865), (455, 3475), (695, 2275), (875, 1807), (973, 1625)]