7642647

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 12226560

約数和(自身を除く): 4583913

約数列:

[1, 3, 9, 23, 27, 31, 69, 93, 207, 279, 397, 621, 713, 837, 1191, 2139, 3573, 6417, 9131, 10719, 12307, 19251, 27393, 36921, 82179, 110763, 246537, 283061, 332289, 849183, 2547549, 7642647]

約数ペア:

[(1, 7642647), (3, 2547549), (9, 849183), (23, 332289), (27, 283061), (31, 246537), (69, 110763), (93, 82179), (207, 36921), (279, 27393), (397, 19251), (621, 12307), (713, 10719), (837, 9131), (1191, 6417), (2139, 3573)]