31487490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1291}}^1$

素因数の和:1575

約数の個数: 48

約数和(自身を含む): 82233216

約数和(自身を除く): 50745726

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 271, 542, 813, 1291, 1355, 1626, 2439, 2582, 2710, 3873, 4065, 4878, 6455, 7746, 8130, 11619, 12195, 12910, 19365, 23238, 24390, 38730, 58095, 116190, 349861, 699722, 1049583, 1749305, 2099166, 3148749, 3498610, 5247915, 6297498, 10495830, 15743745, 31487490]

約数ペア:

[(1, 31487490), (2, 15743745), (3, 10495830), (5, 6297498), (6, 5247915), (9, 3498610), (10, 3148749), (15, 2099166), (18, 1749305), (30, 1049583), (45, 699722), (90, 349861), (271, 116190), (542, 58095), (813, 38730), (1291, 24390), (1355, 23238), (1626, 19365), (2439, 12910), (2582, 12195), (2710, 11619), (3873, 8130), (4065, 7746), (4878, 6455)]