15905351

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1283}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 21078144

約数和(自身を除く): 5172793

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1283, 1771, 8981, 12397, 14113, 29509, 62867, 98791, 206563, 324599, 691537, 1445941, 2272193, 15905351]

約数ペア:

[(1, 15905351), (7, 2272193), (11, 1445941), (23, 691537), (49, 324599), (77, 206563), (161, 98791), (253, 62867), (539, 29509), (1127, 14113), (1283, 12397), (1771, 8981)]