149885961

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 214990848

約数和(自身を除く): 65104887

約数列:

[1, 3, 31, 47, 53, 93, 141, 159, 647, 1457, 1643, 1941, 2491, 4371, 4929, 7473, 20057, 30409, 34291, 60171, 77221, 91227, 102873, 231663, 942679, 1063021, 1611677, 2828037, 3189063, 4835031, 49961987, 149885961]

約数ペア:

[(1, 149885961), (3, 49961987), (31, 4835031), (47, 3189063), (53, 2828037), (93, 1611677), (141, 1063021), (159, 942679), (647, 231663), (1457, 102873), (1643, 91227), (1941, 77221), (2491, 60171), (4371, 34291), (4929, 30409), (7473, 20057)]