81162018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{644143}}^1$

素因数の和:644158

約数の個数: 24

約数和(自身を含む): 200972928

約数和(自身を除く): 119810910

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 644143, 1288286, 1932429, 3864858, 4509001, 5797287, 9018002, 11594574, 13527003, 27054006, 40581009, 81162018]

約数ペア:

[(1, 81162018), (2, 40581009), (3, 27054006), (6, 13527003), (7, 11594574), (9, 9018002), (14, 5797287), (18, 4509001), (21, 3864858), (42, 1932429), (63, 1288286), (126, 644143)]