128601333

素因数分解:

$3^2\times 7^3\times {\mathrm{41659}}^1$

素因数の和:41686

約数の個数: 24

約数和(自身を含む): 216632000

約数和(自身を除く): 88030667

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 41659, 124977, 291613, 374931, 874839, 2041291, 2624517, 6123873, 14289037, 18371619, 42867111, 128601333]

約数ペア:

[(1, 128601333), (3, 42867111), (7, 18371619), (9, 14289037), (21, 6123873), (49, 2624517), (63, 2041291), (147, 874839), (343, 374931), (441, 291613), (1029, 124977), (3087, 41659)]