81775465

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 105114240

約数和(自身を除く): 23338775

約数列:

[1, 5, 23, 43, 115, 215, 529, 719, 989, 2645, 3595, 4945, 16537, 22747, 30917, 82685, 113735, 154585, 380351, 711091, 1901755, 3555455, 16355093, 81775465]

約数ペア:

[(1, 81775465), (5, 16355093), (23, 3555455), (43, 1901755), (115, 711091), (215, 380351), (529, 154585), (719, 113735), (989, 82685), (2645, 30917), (3595, 22747), (4945, 16537)]