428506845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{129263}}^1$

素因数の和:129301

約数の個数: 32

約数和(自身を含む): 781788672

約数和(自身を除く): 353281827

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 129263, 387789, 646315, 1680419, 1938945, 2197471, 5041257, 6592413, 8402095, 10987355, 25206285, 28567123, 32962065, 85701369, 142835615, 428506845]

約数ペア:

[(1, 428506845), (3, 142835615), (5, 85701369), (13, 32962065), (15, 28567123), (17, 25206285), (39, 10987355), (51, 8402095), (65, 6592413), (85, 5041257), (195, 2197471), (221, 1938945), (255, 1680419), (663, 646315), (1105, 387789), (3315, 129263)]