31039290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{977}}^1$

素因数の和:1343

約数の個数: 48

約数和(自身を含む): 81013608

約数和(自身を除く): 49974318

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 353, 706, 977, 1059, 1765, 1954, 2118, 2931, 3177, 3530, 4885, 5295, 5862, 6354, 8793, 9770, 10590, 14655, 15885, 17586, 29310, 31770, 43965, 87930, 344881, 689762, 1034643, 1724405, 2069286, 3103929, 3448810, 5173215, 6207858, 10346430, 15519645, 31039290]

約数ペア:

[(1, 31039290), (2, 15519645), (3, 10346430), (5, 6207858), (6, 5173215), (9, 3448810), (10, 3103929), (15, 2069286), (18, 1724405), (30, 1034643), (45, 689762), (90, 344881), (353, 87930), (706, 43965), (977, 31770), (1059, 29310), (1765, 17586), (1954, 15885), (2118, 14655), (2931, 10590), (3177, 9770), (3530, 8793), (4885, 6354), (5295, 5862)]