251915235

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{117443}}^1$

素因数の和:117475

約数の個数: 32

約数和(自身を含む): 473534208

約数和(自身を除く): 221618973

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 117443, 352329, 587215, 1291873, 1526759, 1761645, 3875619, 4580277, 6459365, 7633795, 16794349, 19378095, 22901385, 50383047, 83971745, 251915235]

約数ペア:

[(1, 251915235), (3, 83971745), (5, 50383047), (11, 22901385), (13, 19378095), (15, 16794349), (33, 7633795), (39, 6459365), (55, 4580277), (65, 3875619), (143, 1761645), (165, 1526759), (195, 1291873), (429, 587215), (715, 352329), (2145, 117443)]