157705137

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:671

約数の個数: 40

約数和(自身を含む): 244815912

約数和(自身を除く): 87110775

約数列:

[1, 3, 9, 27, 37, 81, 101, 111, 303, 333, 521, 909, 999, 1563, 2727, 2997, 3737, 4689, 8181, 11211, 14067, 19277, 33633, 42201, 52621, 57831, 100899, 157863, 173493, 302697, 473589, 520479, 1420767, 1561437, 1946977, 4262301, 5840931, 17522793, 52568379, 157705137]

約数ペア:

[(1, 157705137), (3, 52568379), (9, 17522793), (27, 5840931), (37, 4262301), (81, 1946977), (101, 1561437), (111, 1420767), (303, 520479), (333, 473589), (521, 302697), (909, 173493), (999, 157863), (1563, 100899), (2727, 57831), (2997, 52621), (3737, 42201), (4689, 33633), (8181, 19277), (11211, 14067)]