639331365

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{9349}}^1$

素因数の和:9501

約数の個数: 32

約数和(自身を含む): 1055577600

約数和(自身を除く): 416246235

約数列:

[1, 3, 5, 15, 47, 97, 141, 235, 291, 485, 705, 1455, 4559, 9349, 13677, 22795, 28047, 46745, 68385, 140235, 439403, 906853, 1318209, 2197015, 2720559, 4534265, 6591045, 13602795, 42622091, 127866273, 213110455, 639331365]

約数ペア:

[(1, 639331365), (3, 213110455), (5, 127866273), (15, 42622091), (47, 13602795), (97, 6591045), (141, 4534265), (235, 2720559), (291, 2197015), (485, 1318209), (705, 906853), (1455, 439403), (4559, 140235), (9349, 68385), (13677, 46745), (22795, 28047)]