210876351

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 345348864

約数和(自身を除く): 134472513

約数列:

[1, 3, 7, 21, 23, 49, 69, 97, 147, 161, 291, 483, 643, 679, 1127, 1929, 2037, 2231, 3381, 4501, 4753, 6693, 13503, 14259, 14789, 15617, 31507, 44367, 46851, 62371, 94521, 103523, 109319, 187113, 310569, 327957, 436597, 724661, 1309791, 1434533, 2173983, 3056179, 4303599, 9168537, 10041731, 30125193, 70292117, 210876351]

約数ペア:

[(1, 210876351), (3, 70292117), (7, 30125193), (21, 10041731), (23, 9168537), (49, 4303599), (69, 3056179), (97, 2173983), (147, 1434533), (161, 1309791), (291, 724661), (483, 436597), (643, 327957), (679, 310569), (1127, 187113), (1929, 109319), (2037, 103523), (2231, 94521), (3381, 62371), (4501, 46851), (4753, 44367), (6693, 31507), (13503, 15617), (14259, 14789)]