31581087

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 46759680

約数和(自身を除く): 15178593

約数列:

[1, 3, 17, 29, 51, 87, 131, 163, 393, 489, 493, 1479, 2227, 2771, 3799, 4727, 6681, 8313, 11397, 14181, 21353, 64059, 64583, 80359, 193749, 241077, 363001, 619237, 1089003, 1857711, 10527029, 31581087]

約数ペア:

[(1, 31581087), (3, 10527029), (17, 1857711), (29, 1089003), (51, 619237), (87, 363001), (131, 241077), (163, 193749), (393, 80359), (489, 64583), (493, 64059), (1479, 21353), (2227, 14181), (2771, 11397), (3799, 8313), (4727, 6681)]