81306621

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{2803}}^1$

素因数の和:3113

約数の個数: 24

約数和(自身を含む): 128602656

約数和(自身を除く): 47296035

約数列:

[1, 3, 9, 11, 33, 99, 293, 879, 2637, 2803, 3223, 8409, 9669, 25227, 29007, 30833, 92499, 277497, 821279, 2463837, 7391511, 9034069, 27102207, 81306621]

約数ペア:

[(1, 81306621), (3, 27102207), (9, 9034069), (11, 7391511), (33, 2463837), (99, 821279), (293, 277497), (879, 92499), (2637, 30833), (2803, 29007), (3223, 25227), (8409, 9669)]