31110513

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1571}}^1$

素因数の和:1645

約数の個数: 32

約数和(自身を含む): 50706432

約数和(自身を除く): 19595919

約数列:

[1, 3, 7, 21, 23, 41, 69, 123, 161, 287, 483, 861, 943, 1571, 2829, 4713, 6601, 10997, 19803, 32991, 36133, 64411, 108399, 193233, 252931, 450877, 758793, 1352631, 1481453, 4444359, 10370171, 31110513]

約数ペア:

[(1, 31110513), (3, 10370171), (7, 4444359), (21, 1481453), (23, 1352631), (41, 758793), (69, 450877), (123, 252931), (161, 193233), (287, 108399), (483, 64411), (861, 36133), (943, 32991), (1571, 19803), (2829, 10997), (4713, 6601)]