87921743

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{5717}}^1$

素因数の和:5763

約数の個数: 16

約数和(自身を含む): 108870720

約数和(自身を除く): 20948977

約数列:

[1, 7, 13, 91, 169, 1183, 2197, 5717, 15379, 40019, 74321, 520247, 966173, 6763211, 12560249, 87921743]

約数ペア:

[(1, 87921743), (7, 12560249), (13, 6763211), (91, 966173), (169, 520247), (1183, 74321), (2197, 40019), (5717, 15379)]