68638359

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{2389}}^1$

素因数の和:2610

約数の個数: 16

約数和(自身を含む): 93649760

約数和(自身を除く): 25011401

約数列:

[1, 3, 61, 157, 183, 471, 2389, 7167, 9577, 28731, 145729, 375073, 437187, 1125219, 22879453, 68638359]

約数ペア:

[(1, 68638359), (3, 22879453), (61, 1125219), (157, 437187), (183, 375073), (471, 145729), (2389, 28731), (7167, 9577)]