1325225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 1845120

約数和(自身を除く): 519895

約数列:

[1, 5, 11, 25, 55, 61, 79, 275, 305, 395, 671, 869, 1525, 1975, 3355, 4345, 4819, 16775, 21725, 24095, 53009, 120475, 265045, 1325225]

約数ペア:

[(1, 1325225), (5, 265045), (11, 120475), (25, 53009), (55, 24095), (61, 21725), (79, 16775), (275, 4819), (305, 4345), (395, 3355), (671, 1975), (869, 1525)]