31509090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4931}}^1$

素因数の和:5015

約数の個数: 48

約数和(自身を含む): 83094336

約数和(自身を除く): 51585246

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 4931, 6390, 9862, 14793, 24655, 29586, 44379, 49310, 73965, 88758, 147930, 221895, 350101, 443790, 700202, 1050303, 1750505, 2100606, 3150909, 3501010, 5251515, 6301818, 10503030, 15754545, 31509090]

約数ペア:

[(1, 31509090), (2, 15754545), (3, 10503030), (5, 6301818), (6, 5251515), (9, 3501010), (10, 3150909), (15, 2100606), (18, 1750505), (30, 1050303), (45, 700202), (71, 443790), (90, 350101), (142, 221895), (213, 147930), (355, 88758), (426, 73965), (639, 49310), (710, 44379), (1065, 29586), (1278, 24655), (2130, 14793), (3195, 9862), (4931, 6390)]