131578218

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{109103}}^1$

素因数の和:109178

約数の個数: 24

約数和(自身を含む): 289343808

約数和(自身を除く): 157765590

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 109103, 218206, 327309, 654618, 981927, 1963854, 7309901, 14619802, 21929703, 43859406, 65789109, 131578218]

約数ペア:

[(1, 131578218), (2, 65789109), (3, 43859406), (6, 21929703), (9, 14619802), (18, 7309901), (67, 1963854), (134, 981927), (201, 654618), (402, 327309), (603, 218206), (1206, 109103)]