1388497923

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{26687}}^1$

素因数の和:26784

約数の個数: 32

約数和(自身を含む): 2152120320

約数和(自身を除く): 763622397

約数列:

[1, 3, 9, 27, 41, 47, 123, 141, 369, 423, 1107, 1269, 1927, 5781, 17343, 26687, 52029, 80061, 240183, 720549, 1094167, 1254289, 3282501, 3762867, 9847503, 11288601, 29542509, 33865803, 51425849, 154277547, 462832641, 1388497923]

約数ペア:

[(1, 1388497923), (3, 462832641), (9, 154277547), (27, 51425849), (41, 33865803), (47, 29542509), (123, 11288601), (141, 9847503), (369, 3762867), (423, 3282501), (1107, 1254289), (1269, 1094167), (1927, 720549), (5781, 240183), (17343, 80061), (26687, 52029)]