388392963

素因数分解:

$3^1\times 7^5\times {\mathrm{7703}}^1$

素因数の和:7741

約数の個数: 24

約数和(自身を含む): 604240128

約数和(自身を除く): 215847165

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 7703, 16807, 23109, 50421, 53921, 161763, 377447, 1132341, 2642129, 7926387, 18494903, 55484709, 129464321, 388392963]

約数ペア:

[(1, 388392963), (3, 129464321), (7, 55484709), (21, 18494903), (49, 7926387), (147, 2642129), (343, 1132341), (1029, 377447), (2401, 161763), (7203, 53921), (7703, 50421), (16807, 23109)]