557263749

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{2063}}^1$

素因数の和:2769

約数の個数: 32

約数和(自身を含む): 895610880

約数和(自身を除く): 338347131

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 677, 2031, 2063, 4739, 6189, 12863, 14217, 14441, 38589, 39197, 43323, 90041, 117591, 270123, 274379, 823137, 1396651, 4189953, 9776557, 26536369, 29329671, 79609107, 185754583, 557263749]

約数ペア:

[(1, 557263749), (3, 185754583), (7, 79609107), (19, 29329671), (21, 26536369), (57, 9776557), (133, 4189953), (399, 1396651), (677, 823137), (2031, 274379), (2063, 270123), (4739, 117591), (6189, 90041), (12863, 43323), (14217, 39197), (14441, 38589)]