13205907

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 23202816

約数和(自身を除く): 9996909

約数列:

[1, 3, 9, 11, 13, 31, 33, 39, 93, 99, 117, 143, 279, 331, 341, 403, 429, 993, 1023, 1209, 1287, 2979, 3069, 3627, 3641, 4303, 4433, 10261, 10923, 12909, 13299, 30783, 32769, 38727, 39897, 47333, 92349, 112871, 133393, 141999, 338613, 400179, 425997, 1015839, 1200537, 1467323, 4401969, 13205907]

約数ペア:

[(1, 13205907), (3, 4401969), (9, 1467323), (11, 1200537), (13, 1015839), (31, 425997), (33, 400179), (39, 338613), (93, 141999), (99, 133393), (117, 112871), (143, 92349), (279, 47333), (331, 39897), (341, 38727), (403, 32769), (429, 30783), (993, 13299), (1023, 12909), (1209, 10923), (1287, 10261), (2979, 4433), (3069, 4303), (3627, 3641)]