123754813

素因数分解:

$7^1\times {\mathrm{13}}^4\times {\mathrm{619}}^1$

素因数の和:678

約数の個数: 20

約数和(自身を含む): 153467360

約数和(自身を除く): 29712547

約数列:

[1, 7, 13, 91, 169, 619, 1183, 2197, 4333, 8047, 15379, 28561, 56329, 104611, 199927, 732277, 1359943, 9519601, 17679259, 123754813]

約数ペア:

[(1, 123754813), (7, 17679259), (13, 9519601), (91, 1359943), (169, 732277), (619, 199927), (1183, 104611), (2197, 56329), (4333, 28561), (8047, 15379)]