15313259

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{251}}^1$

素因数の和:315

約数の個数: 18

約数和(自身を含む): 17570196

約数和(自身を除く): 2256937

約数列:

[1, 13, 19, 169, 247, 251, 361, 3211, 3263, 4693, 4769, 42419, 61009, 61997, 90611, 805961, 1177943, 15313259]

約数ペア:

[(1, 15313259), (13, 1177943), (19, 805961), (169, 90611), (247, 61997), (251, 61009), (361, 42419), (3211, 4769), (3263, 4693)]