12888771

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 21104640

約数和(自身を除く): 8215869

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 357, 457, 553, 1343, 1371, 1659, 3199, 4029, 7769, 9401, 9597, 23307, 28203, 36103, 54383, 108309, 163149, 252721, 613751, 758163, 1841253, 4296257, 12888771]

約数ペア:

[(1, 12888771), (3, 4296257), (7, 1841253), (17, 758163), (21, 613751), (51, 252721), (79, 163149), (119, 108309), (237, 54383), (357, 36103), (457, 28203), (553, 23307), (1343, 9597), (1371, 9401), (1659, 7769), (3199, 4029)]