12912129

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{9377}}^1$

素因数の和:9406

約数の個数: 20

約数和(自身を含む): 20425284

約数和(自身を除く): 7513155

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 9377, 28131, 84393, 159409, 253179, 478227, 759537, 1434681, 4304043, 12912129]

約数ペア:

[(1, 12912129), (3, 4304043), (9, 1434681), (17, 759537), (27, 478227), (51, 253179), (81, 159409), (153, 84393), (459, 28131), (1377, 9377)]