81787644

素因数分解:

$2^2\times 3^4\times {\mathrm{252431}}^1$

素因数の和:252447

約数の個数: 30

約数和(自身を含む): 213809904

約数和(自身を除く): 132022260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 252431, 504862, 757293, 1009724, 1514586, 2271879, 3029172, 4543758, 6815637, 9087516, 13631274, 20446911, 27262548, 40893822, 81787644]

約数ペア:

[(1, 81787644), (2, 40893822), (3, 27262548), (4, 20446911), (6, 13631274), (9, 9087516), (12, 6815637), (18, 4543758), (27, 3029172), (36, 2271879), (54, 1514586), (81, 1009724), (108, 757293), (162, 504862), (324, 252431)]