138907815

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 225662976

約数和(自身を除く): 86755161

約数列:

[1, 3, 5, 15, 131, 223, 317, 393, 655, 669, 951, 1115, 1585, 1965, 3345, 4755, 29213, 41527, 70691, 87639, 124581, 146065, 207635, 212073, 353455, 438195, 622905, 1060365, 9260521, 27781563, 46302605, 138907815]

約数ペア:

[(1, 138907815), (3, 46302605), (5, 27781563), (15, 9260521), (131, 1060365), (223, 622905), (317, 438195), (393, 353455), (655, 212073), (669, 207635), (951, 146065), (1115, 124581), (1585, 87639), (1965, 70691), (3345, 41527), (4755, 29213)]