85272747

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 132464640

約数和(自身を除く): 47191893

約数列:

[1, 3, 7, 21, 131, 139, 223, 393, 417, 669, 917, 973, 1561, 2751, 2919, 4683, 18209, 29213, 30997, 54627, 87639, 92991, 127463, 204491, 216979, 382389, 613473, 650937, 4060607, 12181821, 28424249, 85272747]

約数ペア:

[(1, 85272747), (3, 28424249), (7, 12181821), (21, 4060607), (131, 650937), (139, 613473), (223, 382389), (393, 216979), (417, 204491), (669, 127463), (917, 92991), (973, 87639), (1561, 54627), (2751, 30997), (2919, 29213), (4683, 18209)]