12453987

素因数分解:

$3^1\times 7^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:70

約数の個数: 48

約数和(自身を含む): 21960960

約数和(自身を除く): 9506973

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 247, 273, 343, 399, 637, 741, 931, 1029, 1729, 1911, 2401, 2793, 4459, 5187, 6517, 7203, 12103, 13377, 16807, 19551, 31213, 36309, 45619, 50421, 84721, 93639, 136857, 218491, 254163, 319333, 593047, 655473, 957999, 1779141, 4151329, 12453987]

約数ペア:

[(1, 12453987), (3, 4151329), (7, 1779141), (13, 957999), (19, 655473), (21, 593047), (39, 319333), (49, 254163), (57, 218491), (91, 136857), (133, 93639), (147, 84721), (247, 50421), (273, 45619), (343, 36309), (399, 31213), (637, 19551), (741, 16807), (931, 13377), (1029, 12103), (1729, 7203), (1911, 6517), (2401, 5187), (2793, 4459)]