1621528197121

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{1109}}^1\times {\mathrm{1483}}^1\times {\mathrm{2309}}^1$

素因数の和:4969

約数の個数: 32

約数和(自身を含む): 1887341702400

約数和(自身を除く): 265813505279

約数列:

[1, 7, 61, 427, 1109, 1483, 2309, 7763, 10381, 16163, 67649, 90463, 140849, 473543, 633241, 985943, 1644647, 2560681, 3424247, 11512529, 17924767, 23969729, 100323467, 156201541, 208879067, 702264269, 1093410787, 1462153469, 3797489923, 26582429461, 231646885303, 1621528197121]

約数ペア:

[(1, 1621528197121), (7, 231646885303), (61, 26582429461), (427, 3797489923), (1109, 1462153469), (1483, 1093410787), (2309, 702264269), (7763, 208879067), (10381, 156201541), (16163, 100323467), (67649, 23969729), (90463, 17924767), (140849, 11512529), (473543, 3424247), (633241, 2560681), (985943, 1644647)]