79970409

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{9227}}^1$

素因数の和:9346

約数の個数: 20

約数和(自身を含む): 120591504

約数和(自身を除く): 40621095

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 8667, 9227, 27681, 83043, 249129, 747387, 987289, 2961867, 8885601, 26656803, 79970409]

約数ペア:

[(1, 79970409), (3, 26656803), (9, 8885601), (27, 2961867), (81, 987289), (107, 747387), (321, 249129), (963, 83043), (2889, 27681), (8667, 9227)]