203852019

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{857}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 318928896

約数和(自身を除く): 115076877

約数列:

[1, 3, 7, 21, 47, 141, 241, 329, 723, 857, 987, 1687, 2571, 5061, 5999, 11327, 17997, 33981, 40279, 79289, 120837, 206537, 237867, 281953, 619611, 845859, 1445759, 4337277, 9707239, 29121717, 67950673, 203852019]

約数ペア:

[(1, 203852019), (3, 67950673), (7, 29121717), (21, 9707239), (47, 4337277), (141, 1445759), (241, 845859), (329, 619611), (723, 281953), (857, 237867), (987, 206537), (1687, 120837), (2571, 79289), (5061, 40279), (5999, 33981), (11327, 17997)]