84572271

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31219}}^1$

素因数の和:31275

約数の個数: 24

約数和(自身を含む): 142862720

約数和(自身を除く): 58290449

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 31219, 93657, 218533, 280971, 655599, 1342417, 1966797, 4027251, 9396919, 12081753, 28190757, 84572271]

約数ペア:

[(1, 84572271), (3, 28190757), (7, 12081753), (9, 9396919), (21, 4027251), (43, 1966797), (63, 1342417), (129, 655599), (301, 280971), (387, 218533), (903, 93657), (2709, 31219)]