31231506879

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{239}}^1\times {\mathrm{12703}}^1$

素因数の和:13081

約数の個数: 40

約数和(自身を含む): 47222292480

約数和(自身を除く): 15990785601

約数列:

[1, 3, 9, 27, 81, 127, 239, 381, 717, 1143, 2151, 3429, 6453, 10287, 12703, 19359, 30353, 38109, 91059, 114327, 273177, 342981, 819531, 1028943, 1613281, 2458593, 3036017, 4839843, 9108051, 14519529, 27324153, 43558587, 81972459, 130675761, 245917377, 385574159, 1156722477, 3470167431, 10410502293, 31231506879]

約数ペア:

[(1, 31231506879), (3, 10410502293), (9, 3470167431), (27, 1156722477), (81, 385574159), (127, 245917377), (239, 130675761), (381, 81972459), (717, 43558587), (1143, 27324153), (2151, 14519529), (3429, 9108051), (6453, 4839843), (10287, 3036017), (12703, 2458593), (19359, 1613281), (30353, 1028943), (38109, 819531), (91059, 342981), (114327, 273177)]