389680893

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{69499}}^1$

素因数の和:69601

約数の個数: 24

約数和(自身を含む): 650520000

約数和(自身を除く): 260839107

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 69499, 208497, 486493, 625491, 1459479, 4378437, 6185411, 18556233, 43297877, 55668699, 129893631, 389680893]

約数ペア:

[(1, 389680893), (3, 129893631), (7, 55668699), (9, 43297877), (21, 18556233), (63, 6185411), (89, 4378437), (267, 1459479), (623, 625491), (801, 486493), (1869, 208497), (5607, 69499)]