69972825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1669}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 127561280

約数和(自身を除く): 57588455

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 325, 559, 645, 975, 1075, 1669, 1677, 2795, 3225, 5007, 8345, 8385, 13975, 21697, 25035, 41725, 41925, 65091, 71767, 108485, 125175, 215301, 325455, 358835, 542425, 932971, 1076505, 1627275, 1794175, 2798913, 4664855, 5382525, 13994565, 23324275, 69972825]

約数ペア:

[(1, 69972825), (3, 23324275), (5, 13994565), (13, 5382525), (15, 4664855), (25, 2798913), (39, 1794175), (43, 1627275), (65, 1076505), (75, 932971), (129, 542425), (195, 358835), (215, 325455), (325, 215301), (559, 125175), (645, 108485), (975, 71767), (1075, 65091), (1669, 41925), (1677, 41725), (2795, 25035), (3225, 21697), (5007, 13975), (8345, 8385)]