80168505

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2731}}^1$

素因数の和:2861

約数の個数: 32

約数和(自身を含む): 136381440

約数和(自身を除く): 56212935

約数列:

[1, 3, 5, 15, 19, 57, 95, 103, 285, 309, 515, 1545, 1957, 2731, 5871, 8193, 9785, 13655, 29355, 40965, 51889, 155667, 259445, 281293, 778335, 843879, 1406465, 4219395, 5344567, 16033701, 26722835, 80168505]

約数ペア:

[(1, 80168505), (3, 26722835), (5, 16033701), (15, 5344567), (19, 4219395), (57, 1406465), (95, 843879), (103, 778335), (285, 281293), (309, 259445), (515, 155667), (1545, 51889), (1957, 40965), (2731, 29355), (5871, 13655), (8193, 9785)]