1216005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 2290944

約数和(自身を除く): 1074939

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 313, 555, 777, 939, 1295, 1565, 2191, 3885, 4695, 6573, 10955, 11581, 32865, 34743, 57905, 81067, 173715, 243201, 405335, 1216005]

約数ペア:

[(1, 1216005), (3, 405335), (5, 243201), (7, 173715), (15, 81067), (21, 57905), (35, 34743), (37, 32865), (105, 11581), (111, 10955), (185, 6573), (259, 4695), (313, 3885), (555, 2191), (777, 1565), (939, 1295)]