31639839

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1151}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 56733696

約数和(自身を除く): 25093857

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 77, 119, 147, 187, 231, 357, 539, 561, 833, 1151, 1309, 1617, 2499, 3453, 3927, 8057, 9163, 12661, 19567, 24171, 27489, 37983, 56399, 58701, 88627, 136969, 169197, 215237, 265881, 410907, 620389, 645711, 958783, 1506659, 1861167, 2876349, 4519977, 10546613, 31639839]

約数ペア:

[(1, 31639839), (3, 10546613), (7, 4519977), (11, 2876349), (17, 1861167), (21, 1506659), (33, 958783), (49, 645711), (51, 620389), (77, 410907), (119, 265881), (147, 215237), (187, 169197), (231, 136969), (357, 88627), (539, 58701), (561, 56399), (833, 37983), (1151, 27489), (1309, 24171), (1617, 19567), (2499, 12661), (3453, 9163), (3927, 8057)]