31037487

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 46398912

約数和(自身を除く): 15361425

約数列:

[1, 3, 13, 37, 39, 111, 137, 157, 411, 471, 481, 1443, 1781, 2041, 5069, 5343, 5809, 6123, 15207, 17427, 21509, 64527, 65897, 75517, 197691, 226551, 279617, 795833, 838851, 2387499, 10345829, 31037487]

約数ペア:

[(1, 31037487), (3, 10345829), (13, 2387499), (37, 838851), (39, 795833), (111, 279617), (137, 226551), (157, 197691), (411, 75517), (471, 65897), (481, 64527), (1443, 21509), (1781, 17427), (2041, 15207), (5069, 6123), (5343, 5809)]