30791649

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 51217920

約数和(自身を除く): 20426271

約数列:

[1, 3, 7, 21, 29, 31, 49, 87, 93, 147, 203, 217, 233, 609, 651, 699, 899, 1421, 1519, 1631, 2697, 4263, 4557, 4893, 6293, 6757, 7223, 11417, 18879, 20271, 21669, 34251, 44051, 47299, 50561, 132153, 141897, 151683, 209467, 331093, 353927, 628401, 993279, 1061781, 1466269, 4398807, 10263883, 30791649]

約数ペア:

[(1, 30791649), (3, 10263883), (7, 4398807), (21, 1466269), (29, 1061781), (31, 993279), (49, 628401), (87, 353927), (93, 331093), (147, 209467), (203, 151683), (217, 141897), (233, 132153), (609, 50561), (651, 47299), (699, 44051), (899, 34251), (1421, 21669), (1519, 20271), (1631, 18879), (2697, 11417), (4263, 7223), (4557, 6757), (4893, 6293)]