69477993

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{65981}}^1$

素因数の和:66006

約数の個数: 20

約数和(自身を含む): 111773508

約数和(自身を除く): 42295515

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 65981, 197943, 593829, 857753, 1781487, 2573259, 5344461, 7719777, 23159331, 69477993]

約数ペア:

[(1, 69477993), (3, 23159331), (9, 7719777), (13, 5344461), (27, 2573259), (39, 1781487), (81, 857753), (117, 593829), (351, 197943), (1053, 65981)]