153968985

素因数分解:

$3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6997}}^1$

素因数の和:7174

約数の個数: 32

約数和(自身を含む): 275441280

約数和(自身を除く): 121472295

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 163, 489, 815, 1467, 2445, 4401, 6997, 7335, 20991, 22005, 34985, 62973, 104955, 188919, 314865, 944595, 1140511, 3421533, 5702555, 10264599, 17107665, 30793797, 51322995, 153968985]

約数ペア:

[(1, 153968985), (3, 51322995), (5, 30793797), (9, 17107665), (15, 10264599), (27, 5702555), (45, 3421533), (135, 1140511), (163, 944595), (489, 314865), (815, 188919), (1467, 104955), (2445, 62973), (4401, 34985), (6997, 22005), (7335, 20991)]