290803995

素因数分解:

$3^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{6521}}^1$

素因数の和:7523

約数の個数: 24

約数和(自身を含む): 504646272

約数和(自身を除く): 213842277

約数列:

[1, 3, 5, 9, 15, 45, 991, 2973, 4955, 6521, 8919, 14865, 19563, 32605, 44595, 58689, 97815, 293445, 6462311, 19386933, 32311555, 58160799, 96934665, 290803995]

約数ペア:

[(1, 290803995), (3, 96934665), (5, 58160799), (9, 32311555), (15, 19386933), (45, 6462311), (991, 293445), (2973, 97815), (4955, 58689), (6521, 44595), (8919, 32605), (14865, 19563)]