139786941

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 216817920

約数和(自身を除く): 77030979

約数列:

[1, 3, 7, 21, 109, 173, 327, 353, 519, 763, 1059, 1211, 2289, 2471, 3633, 7413, 18857, 38477, 56571, 61069, 115431, 131999, 183207, 269339, 395997, 427483, 808017, 1282449, 6656521, 19969563, 46595647, 139786941]

約数ペア:

[(1, 139786941), (3, 46595647), (7, 19969563), (21, 6656521), (109, 1282449), (173, 808017), (327, 427483), (353, 395997), (519, 269339), (763, 183207), (1059, 131999), (1211, 115431), (2289, 61069), (2471, 56571), (3633, 38477), (7413, 18857)]