12864015

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1421

約数の個数: 40

約数和(自身を含む): 24079968

約数和(自身を除く): 11215953

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1381, 1863, 3105, 4143, 6905, 9315, 12429, 20715, 31763, 37287, 62145, 95289, 111861, 158815, 186435, 285867, 476445, 559305, 857601, 1429335, 2572803, 4288005, 12864015]

約数ペア:

[(1, 12864015), (3, 4288005), (5, 2572803), (9, 1429335), (15, 857601), (23, 559305), (27, 476445), (45, 285867), (69, 186435), (81, 158815), (115, 111861), (135, 95289), (207, 62145), (345, 37287), (405, 31763), (621, 20715), (1035, 12429), (1381, 9315), (1863, 6905), (3105, 4143)]