13157385

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 21902592

約数和(自身を除く): 8745207

約数列:

[1, 3, 5, 15, 37, 111, 151, 157, 185, 453, 471, 555, 755, 785, 2265, 2355, 5587, 5809, 16761, 17427, 23707, 27935, 29045, 71121, 83805, 87135, 118535, 355605, 877159, 2631477, 4385795, 13157385]

約数ペア:

[(1, 13157385), (3, 4385795), (5, 2631477), (15, 877159), (37, 355605), (111, 118535), (151, 87135), (157, 83805), (185, 71121), (453, 29045), (471, 27935), (555, 23707), (755, 17427), (785, 16761), (2265, 5809), (2355, 5587)]