201912519

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 290497536

約数和(自身を除く): 88585017

約数列:

[1, 3, 17, 51, 151, 157, 167, 453, 471, 501, 2567, 2669, 2839, 7701, 8007, 8517, 23707, 25217, 26219, 71121, 75651, 78657, 403019, 428689, 445723, 1209057, 1286067, 1337169, 3959069, 11877207, 67304173, 201912519]

約数ペア:

[(1, 201912519), (3, 67304173), (17, 11877207), (51, 3959069), (151, 1337169), (157, 1286067), (167, 1209057), (453, 445723), (471, 428689), (501, 403019), (2567, 78657), (2669, 75651), (2839, 71121), (7701, 26219), (8007, 25217), (8517, 23707)]