15205701

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 24772608

約数和(自身を除く): 9566907

約数列:

[1, 3, 7, 17, 21, 51, 119, 191, 223, 357, 573, 669, 1337, 1561, 3247, 3791, 4011, 4683, 9741, 11373, 22729, 26537, 42593, 68187, 79611, 127779, 298151, 724081, 894453, 2172243, 5068567, 15205701]

約数ペア:

[(1, 15205701), (3, 5068567), (7, 2172243), (17, 894453), (21, 724081), (51, 298151), (119, 127779), (191, 79611), (223, 68187), (357, 42593), (573, 26537), (669, 22729), (1337, 11373), (1561, 9741), (3247, 4683), (3791, 4011)]