91808235

素因数分解:

$3^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{571}}^1$

素因数の和:985

約数の個数: 40

約数和(自身を含む): 165278256

約数和(自身を除く): 73470021

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 397, 405, 571, 1191, 1713, 1985, 2855, 3573, 5139, 5955, 8565, 10719, 15417, 17865, 25695, 32157, 46251, 53595, 77085, 160785, 226687, 231255, 680061, 1133435, 2040183, 3400305, 6120549, 10200915, 18361647, 30602745, 91808235]

約数ペア:

[(1, 91808235), (3, 30602745), (5, 18361647), (9, 10200915), (15, 6120549), (27, 3400305), (45, 2040183), (81, 1133435), (135, 680061), (397, 231255), (405, 226687), (571, 160785), (1191, 77085), (1713, 53595), (1985, 46251), (2855, 32157), (3573, 25695), (5139, 17865), (5955, 15417), (8565, 10719)]