12478347

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 21365760

約数和(自身を除く): 8887413

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 641, 721, 927, 1923, 2163, 2781, 4487, 5769, 6489, 13461, 17307, 19467, 40383, 66023, 121149, 198069, 462161, 594207, 1386483, 1782621, 4159449, 12478347]

約数ペア:

[(1, 12478347), (3, 4159449), (7, 1782621), (9, 1386483), (21, 594207), (27, 462161), (63, 198069), (103, 121149), (189, 66023), (309, 40383), (641, 19467), (721, 17307), (927, 13461), (1923, 6489), (2163, 5769), (2781, 4487)]