161878665

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{6337}}^1$

素因数の和:6489

約数の個数: 32

約数和(自身を含む): 281102976

約数和(自身を除く): 119224311

約数列:

[1, 3, 5, 13, 15, 39, 65, 131, 195, 393, 655, 1703, 1965, 5109, 6337, 8515, 19011, 25545, 31685, 82381, 95055, 247143, 411905, 830147, 1235715, 2490441, 4150735, 10791911, 12452205, 32375733, 53959555, 161878665]

約数ペア:

[(1, 161878665), (3, 53959555), (5, 32375733), (13, 12452205), (15, 10791911), (39, 4150735), (65, 2490441), (131, 1235715), (195, 830147), (393, 411905), (655, 247143), (1703, 95055), (1965, 82381), (5109, 31685), (6337, 25545), (8515, 19011)]