15309805

素因数分解:

$5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 21888000

約数和(自身を除く): 6578195

約数列:

[1, 5, 7, 35, 49, 79, 113, 245, 343, 395, 553, 565, 791, 1715, 2765, 3871, 3955, 5537, 8927, 19355, 27097, 27685, 38759, 44635, 62489, 135485, 193795, 312445, 437423, 2187115, 3061961, 15309805]

約数ペア:

[(1, 15309805), (5, 3061961), (7, 2187115), (35, 437423), (49, 312445), (79, 193795), (113, 135485), (245, 62489), (343, 44635), (395, 38759), (553, 27685), (565, 27097), (791, 19355), (1715, 8927), (2765, 5537), (3871, 3955)]