156718857

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 221921280

約数和(自身を除く): 65202423

約数列:

[1, 3, 31, 79, 83, 93, 237, 249, 257, 771, 2449, 2573, 6557, 7347, 7719, 7967, 19671, 20303, 21331, 23901, 60909, 63993, 203267, 609801, 629393, 661261, 1685149, 1888179, 1983783, 5055447, 52239619, 156718857]

約数ペア:

[(1, 156718857), (3, 52239619), (31, 5055447), (79, 1983783), (83, 1888179), (93, 1685149), (237, 661261), (249, 629393), (257, 609801), (771, 203267), (2449, 63993), (2573, 60909), (6557, 23901), (7347, 21331), (7719, 20303), (7967, 19671)]