165655165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{359}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 222566400

約数和(自身を除く): 56911235

約数列:

[1, 5, 13, 31, 65, 155, 229, 359, 403, 1145, 1795, 2015, 2977, 4667, 7099, 11129, 14885, 23335, 35495, 55645, 82211, 92287, 144677, 411055, 461435, 723385, 1068743, 2548541, 5343715, 12742705, 33131033, 165655165]

約数ペア:

[(1, 165655165), (5, 33131033), (13, 12742705), (31, 5343715), (65, 2548541), (155, 1068743), (229, 723385), (359, 461435), (403, 411055), (1145, 144677), (1795, 92287), (2015, 82211), (2977, 55645), (4667, 35495), (7099, 23335), (11129, 14885)]