156940821

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{37991}}^1$

素因数の和:38023

約数の個数: 24

約数和(自身を含む): 248923584

約数和(自身を除く): 91982763

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 37991, 113973, 341919, 645847, 1025757, 1937541, 3077271, 5812623, 9231813, 17437869, 52313607, 156940821]

約数ペア:

[(1, 156940821), (3, 52313607), (9, 17437869), (17, 9231813), (27, 5812623), (51, 3077271), (81, 1937541), (153, 1025757), (243, 645847), (459, 341919), (1377, 113973), (4131, 37991)]