678447741

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1\times {\mathrm{1693}}^1$

素因数の和:1897

約数の個数: 24

約数和(自身を含む): 941999520

約数和(自身を除く): 263551779

約数列:

[1, 3, 31, 93, 139, 417, 961, 1693, 2883, 4309, 5079, 12927, 52483, 133579, 157449, 235327, 400737, 705981, 1626973, 4880919, 7295137, 21885411, 226149247, 678447741]

約数ペア:

[(1, 678447741), (3, 226149247), (31, 21885411), (93, 7295137), (139, 4880919), (417, 1626973), (961, 705981), (1693, 400737), (2883, 235327), (4309, 157449), (5079, 133579), (12927, 52483)]