387890481

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 574479360

約数和(自身を除く): 186588879

約数列:

[1, 3, 11, 33, 103, 139, 309, 417, 821, 1133, 1529, 2463, 3399, 4587, 9031, 14317, 27093, 42951, 84563, 114119, 157487, 253689, 342357, 472461, 930193, 1255309, 2790579, 3765927, 11754257, 35262771, 129296827, 387890481]

約数ペア:

[(1, 387890481), (3, 129296827), (11, 35262771), (33, 11754257), (103, 3765927), (139, 2790579), (309, 1255309), (417, 930193), (821, 472461), (1133, 342357), (1529, 253689), (2463, 157487), (3399, 114119), (4587, 84563), (9031, 42951), (14317, 27093)]