12215529

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{631}}^1$

素因数の和:882

約数の個数: 20

約数和(自身を含む): 18353280

約数和(自身を除く): 6137751

約数列:

[1, 3, 9, 27, 81, 239, 631, 717, 1893, 2151, 5679, 6453, 17037, 19359, 51111, 150809, 452427, 1357281, 4071843, 12215529]

約数ペア:

[(1, 12215529), (3, 4071843), (9, 1357281), (27, 452427), (81, 150809), (239, 51111), (631, 19359), (717, 17037), (1893, 6453), (2151, 5679)]