9781808897

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{25013}}^1$

素因数の和:25397

約数の個数: 24

約数和(自身を含む): 11908264896

約数和(自身を除く): 2126455999

約数列:

[1, 7, 23, 49, 161, 347, 1127, 2429, 7981, 17003, 25013, 55867, 175091, 391069, 575299, 1225637, 4027093, 8679511, 28189651, 60756577, 199628753, 425296039, 1397401271, 9781808897]

約数ペア:

[(1, 9781808897), (7, 1397401271), (23, 425296039), (49, 199628753), (161, 60756577), (347, 28189651), (1127, 8679511), (2429, 4027093), (7981, 1225637), (17003, 575299), (25013, 391069), (55867, 175091)]