12726189

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2557}}^1$

素因数の和:2649

約数の個数: 24

約数和(自身を含む): 21282560

約数和(自身を除く): 8556371

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 2557, 4977, 7671, 17899, 23013, 53697, 161091, 202003, 606009, 1414021, 1818027, 4242063, 12726189]

約数ペア:

[(1, 12726189), (3, 4242063), (7, 1818027), (9, 1414021), (21, 606009), (63, 202003), (79, 161091), (237, 53697), (553, 23013), (711, 17899), (1659, 7671), (2557, 4977)]