201619005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{4561}}^1$

素因数の和:4997

約数の個数: 32

約数和(自身を含む): 369631488

約数和(自身を除く): 168012483

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 421, 1263, 2105, 2947, 4561, 6315, 8841, 13683, 14735, 22805, 31927, 44205, 68415, 95781, 159635, 478905, 1920181, 5760543, 9600905, 13441267, 28802715, 40323801, 67206335, 201619005]

約数ペア:

[(1, 201619005), (3, 67206335), (5, 40323801), (7, 28802715), (15, 13441267), (21, 9600905), (35, 5760543), (105, 1920181), (421, 478905), (1263, 159635), (2105, 95781), (2947, 68415), (4561, 44205), (6315, 31927), (8841, 22805), (13683, 14735)]