215929441

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{349}}^1\times {\mathrm{523}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 268497600

約数和(自身を除く): 52568159

約数列:

[1, 7, 13, 91, 169, 349, 523, 1183, 2443, 3661, 4537, 6799, 31759, 47593, 58981, 88387, 182527, 412867, 618709, 1277689, 2372851, 16609957, 30847063, 215929441]

約数ペア:

[(1, 215929441), (7, 30847063), (13, 16609957), (91, 2372851), (169, 1277689), (349, 618709), (523, 412867), (1183, 182527), (2443, 88387), (3661, 58981), (4537, 47593), (6799, 31759)]