221779005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1063}}^1\times {\mathrm{1987}}^1$

素因数の和:3065

約数の個数: 32

約数和(自身を含む): 406124544

約数和(自身を除く): 184345539

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1063, 1987, 3189, 5315, 5961, 7441, 9935, 13909, 15945, 22323, 29805, 37205, 41727, 69545, 111615, 208635, 2112181, 6336543, 10560905, 14785267, 31682715, 44355801, 73926335, 221779005]

約数ペア:

[(1, 221779005), (3, 73926335), (5, 44355801), (7, 31682715), (15, 14785267), (21, 10560905), (35, 6336543), (105, 2112181), (1063, 208635), (1987, 111615), (3189, 69545), (5315, 41727), (5961, 37205), (7441, 29805), (9935, 22323), (13909, 15945)]