75221405

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 106579968

約数和(自身を除く): 31358563

約数列:

[1, 5, 7, 35, 43, 151, 215, 301, 331, 755, 1057, 1505, 1655, 2317, 5285, 6493, 11585, 14233, 32465, 45451, 49981, 71165, 99631, 227255, 249905, 349867, 498155, 1749335, 2149183, 10745915, 15044281, 75221405]

約数ペア:

[(1, 75221405), (5, 15044281), (7, 10745915), (35, 2149183), (43, 1749335), (151, 498155), (215, 349867), (301, 249905), (331, 227255), (755, 99631), (1057, 71165), (1505, 49981), (1655, 45451), (2317, 32465), (5285, 14233), (6493, 11585)]