2187115

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 3119040

約数和(自身を除く): 931925

約数列:

[1, 5, 7, 35, 49, 79, 113, 245, 395, 553, 565, 791, 2765, 3871, 3955, 5537, 8927, 19355, 27685, 44635, 62489, 312445, 437423, 2187115]

約数ペア:

[(1, 2187115), (5, 437423), (7, 312445), (35, 62489), (49, 44635), (79, 27685), (113, 19355), (245, 8927), (395, 5537), (553, 3955), (565, 3871), (791, 2765)]