31236705

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5381}}^1$

素因数の和:5438

約数の個数: 32

約数和(自身を含む): 56833920

約数和(自身を除く): 25597215

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5381, 5805, 16143, 26905, 48429, 80715, 145287, 231383, 242145, 694149, 726435, 1156915, 2082447, 3470745, 6247341, 10412235, 31236705]

約数ペア:

[(1, 31236705), (3, 10412235), (5, 6247341), (9, 3470745), (15, 2082447), (27, 1156915), (43, 726435), (45, 694149), (129, 242145), (135, 231383), (215, 145287), (387, 80715), (645, 48429), (1161, 26905), (1935, 16143), (5381, 5805)]