201427605

素因数分解:

$3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{17417}}^1$

素因数の和:17685

約数の個数: 24

約数和(自身を含む): 350519832

約数和(自身を除く): 149092227

約数列:

[1, 3, 5, 9, 15, 45, 257, 771, 1285, 2313, 3855, 11565, 17417, 52251, 87085, 156753, 261255, 783765, 4476169, 13428507, 22380845, 40285521, 67142535, 201427605]

約数ペア:

[(1, 201427605), (3, 67142535), (5, 40285521), (9, 22380845), (15, 13428507), (45, 4476169), (257, 783765), (771, 261255), (1285, 156753), (2313, 87085), (3855, 52251), (11565, 17417)]