178380063

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{32869}}^1$

素因数の和:32948

約数の個数: 20

約数和(自身を含む): 270454360

約数和(自身を除く): 92074297

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 32869, 98607, 295821, 887463, 2202223, 2662389, 6606669, 19820007, 59460021, 178380063]

約数ペア:

[(1, 178380063), (3, 59460021), (9, 19820007), (27, 6606669), (67, 2662389), (81, 2202223), (201, 887463), (603, 295821), (1809, 98607), (5427, 32869)]