31247271

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13723}}^1$

素因数の和:13763

約数の個数: 24

約数和(自身を含む): 51382656

約数和(自身を除く): 20135385

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 13723, 41169, 123507, 150953, 315629, 452859, 946887, 1358577, 2840661, 3471919, 10415757, 31247271]

約数ペア:

[(1, 31247271), (3, 10415757), (9, 3471919), (11, 2840661), (23, 1358577), (33, 946887), (69, 452859), (99, 315629), (207, 150953), (253, 123507), (759, 41169), (2277, 13723)]