12645717

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^2\times {\mathrm{113}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 19710144

約数和(自身を除く): 7064427

約数列:

[1, 3, 7, 21, 73, 113, 219, 339, 511, 791, 1533, 2373, 5329, 8249, 15987, 24747, 37303, 57743, 111909, 173229, 602177, 1806531, 4215239, 12645717]

約数ペア:

[(1, 12645717), (3, 4215239), (7, 1806531), (21, 602177), (73, 173229), (113, 111909), (219, 57743), (339, 37303), (511, 24747), (791, 15987), (1533, 8249), (2373, 5329)]