18898245

素因数分解:

$3^3\times 5^1\times {\mathrm{139987}}^1$

素因数の和:140001

約数の個数: 16

約数和(自身を含む): 33597120

約数和(自身を除く): 14698875

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139987, 419961, 699935, 1259883, 2099805, 3779649, 6299415, 18898245]

約数ペア:

[(1, 18898245), (3, 6299415), (5, 3779649), (9, 2099805), (15, 1259883), (27, 699935), (45, 419961), (135, 139987)]