12786873

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 20570112

約数和(自身を除く): 7783239

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 391, 561, 759, 991, 1173, 2973, 4301, 10901, 12903, 16847, 22793, 32703, 50541, 68379, 185317, 250723, 387481, 555951, 752169, 1162443, 4262291, 12786873]

約数ペア:

[(1, 12786873), (3, 4262291), (11, 1162443), (17, 752169), (23, 555951), (33, 387481), (51, 250723), (69, 185317), (187, 68379), (253, 50541), (391, 32703), (561, 22793), (759, 16847), (991, 12903), (1173, 10901), (2973, 4301)]