81426909

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{2957}}^1$

素因数の和:3164

約数の個数: 16

約数和(自身を含む): 111031488

約数和(自身を除く): 29604579

約数列:

[1, 3, 67, 137, 201, 411, 2957, 8871, 9179, 27537, 198119, 405109, 594357, 1215327, 27142303, 81426909]

約数ペア:

[(1, 81426909), (3, 27142303), (67, 1215327), (137, 594357), (201, 405109), (411, 198119), (2957, 27537), (8871, 9179)]