15900423

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4049}}^1$

素因数の和:4087

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 12093177

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 4049, 12147, 28343, 44539, 68833, 85029, 133617, 206499, 311773, 481831, 757163, 935319, 1445493, 2271489, 5300141, 15900423]

約数ペア:

[(1, 15900423), (3, 5300141), (7, 2271489), (11, 1445493), (17, 935319), (21, 757163), (33, 481831), (51, 311773), (77, 206499), (119, 133617), (187, 85029), (231, 68833), (357, 44539), (561, 28343), (1309, 12147), (3927, 4049)]