31878621

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9059}}^1$

素因数の和:9105

約数の個数: 24

約数和(自身を含む): 50880960

約数和(自身を除く): 19002339

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 9059, 27177, 81531, 154003, 208357, 462009, 625071, 1386027, 1875213, 3542069, 10626207, 31878621]

約数ペア:

[(1, 31878621), (3, 10626207), (9, 3542069), (17, 1875213), (23, 1386027), (51, 625071), (69, 462009), (153, 208357), (207, 154003), (391, 81531), (1173, 27177), (3519, 9059)]