12663975

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{8887}}^1$

素因数の和:8919

約数の個数: 24

約数和(自身を含む): 22042240

約数和(自身を除く): 9378265

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 8887, 26661, 44435, 133305, 168853, 222175, 506559, 666525, 844265, 2532795, 4221325, 12663975]

約数ペア:

[(1, 12663975), (3, 4221325), (5, 2532795), (15, 844265), (19, 666525), (25, 506559), (57, 222175), (75, 168853), (95, 133305), (285, 44435), (475, 26661), (1425, 8887)]