12931407

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{9391}}^1$

素因数の和:9420

約数の個数: 20

約数和(自身を含む): 20455776

約数和(自身を除く): 7524369

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 9391, 28173, 84519, 159647, 253557, 478941, 760671, 1436823, 4310469, 12931407]

約数ペア:

[(1, 12931407), (3, 4310469), (9, 1436823), (17, 760671), (27, 478941), (51, 253557), (81, 159647), (153, 84519), (459, 28173), (1377, 9391)]