290157555

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{4243}}^1$

素因数の和:4395

約数の個数: 32

約数和(自身を含む): 479130624

約数和(自身を除く): 188973069

約数列:

[1, 3, 5, 15, 47, 97, 141, 235, 291, 485, 705, 1455, 4243, 4559, 12729, 13677, 21215, 22795, 63645, 68385, 199421, 411571, 598263, 997105, 1234713, 2057855, 2991315, 6173565, 19343837, 58031511, 96719185, 290157555]

約数ペア:

[(1, 290157555), (3, 96719185), (5, 58031511), (15, 19343837), (47, 6173565), (97, 2991315), (141, 2057855), (235, 1234713), (291, 997105), (485, 598263), (705, 411571), (1455, 199421), (4243, 68385), (4559, 63645), (12729, 22795), (13677, 21215)]