81317545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{937}}^1\times {\mathrm{1021}}^1$

素因数の和:1980

約数の個数: 16

約数和(自身を含む): 103532688

約数和(自身を除く): 22215143

約数列:

[1, 5, 17, 85, 937, 1021, 4685, 5105, 15929, 17357, 79645, 86785, 956677, 4783385, 16263509, 81317545]

約数ペア:

[(1, 81317545), (5, 16263509), (17, 4783385), (85, 956677), (937, 86785), (1021, 79645), (4685, 17357), (5105, 15929)]