31526451

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 52416000

約数和(自身を除く): 20889549

約数列:

[1, 3, 9, 11, 29, 33, 79, 87, 99, 139, 237, 261, 319, 417, 711, 869, 957, 1251, 1529, 2291, 2607, 2871, 4031, 4587, 6873, 7821, 10981, 12093, 13761, 20619, 25201, 32943, 36279, 44341, 75603, 98829, 120791, 133023, 226809, 318449, 362373, 399069, 955347, 1087119, 2866041, 3502939, 10508817, 31526451]

約数ペア:

[(1, 31526451), (3, 10508817), (9, 3502939), (11, 2866041), (29, 1087119), (33, 955347), (79, 399069), (87, 362373), (99, 318449), (139, 226809), (237, 133023), (261, 120791), (319, 98829), (417, 75603), (711, 44341), (869, 36279), (957, 32943), (1251, 25201), (1529, 20619), (2291, 13761), (2607, 12093), (2871, 10981), (4031, 7821), (4587, 6873)]