405570087

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{266647}}^1$

素因数の和:266679

約数の個数: 18

約数和(自身を含む): 634355592

約数和(自身を除く): 228785505

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 266647, 799941, 2399823, 3466411, 10399233, 31197699, 45063343, 135190029, 405570087]

約数ペア:

[(1, 405570087), (3, 135190029), (9, 45063343), (13, 31197699), (39, 10399233), (117, 3466411), (169, 2399823), (507, 799941), (1521, 266647)]