12909537

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{3391}}^1$

素因数の和:3450

約数の個数: 20

約数和(自身を含む): 19700736

約数和(自身を除く): 6791199

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3391, 3807, 10173, 30519, 91557, 159377, 274671, 478131, 1434393, 4303179, 12909537]

約数ペア:

[(1, 12909537), (3, 4303179), (9, 1434393), (27, 478131), (47, 274671), (81, 159377), (141, 91557), (423, 30519), (1269, 10173), (3391, 3807)]