820412541

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{12589}}^1$

素因数の和:13165

約数の個数: 24

約数和(自身を含む): 1278590040

約数和(自身を除く): 458177499

約数列:

[1, 3, 9, 13, 39, 117, 557, 1671, 5013, 7241, 12589, 21723, 37767, 65169, 113301, 163657, 490971, 1472913, 7012073, 21036219, 63108657, 91156949, 273470847, 820412541]

約数ペア:

[(1, 820412541), (3, 273470847), (9, 91156949), (13, 63108657), (39, 21036219), (117, 7012073), (557, 1472913), (1671, 490971), (5013, 163657), (7241, 113301), (12589, 65169), (21723, 37767)]