172987038

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1372913}}^1$

素因数の和:1372928

約数の個数: 24

約数和(自身を含む): 428349168

約数和(自身を除く): 255362130

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1372913, 2745826, 4118739, 8237478, 9610391, 12356217, 19220782, 24712434, 28831173, 57662346, 86493519, 172987038]

約数ペア:

[(1, 172987038), (2, 86493519), (3, 57662346), (6, 28831173), (7, 24712434), (9, 19220782), (14, 12356217), (18, 9610391), (21, 8237478), (42, 4118739), (63, 2745826), (126, 1372913)]