217660995

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{102913}}^1$

素因数の和:102971

約数の個数: 24

約数和(自身を含む): 385310016

約数和(自身を除く): 167649021

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 102913, 308739, 514565, 926217, 1543695, 4631085, 4836911, 14510733, 24184555, 43532199, 72553665, 217660995]

約数ペア:

[(1, 217660995), (3, 72553665), (5, 43532199), (9, 24184555), (15, 14510733), (45, 4836911), (47, 4631085), (141, 1543695), (235, 926217), (423, 514565), (705, 308739), (2115, 102913)]