1218315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 2290176

約数和(自身を除く): 1071861

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 283, 287, 615, 849, 861, 1415, 1435, 1981, 4245, 4305, 5943, 9905, 11603, 29715, 34809, 58015, 81221, 174045, 243663, 406105, 1218315]

約数ペア:

[(1, 1218315), (3, 406105), (5, 243663), (7, 174045), (15, 81221), (21, 58015), (35, 34809), (41, 29715), (105, 11603), (123, 9905), (205, 5943), (283, 4305), (287, 4245), (615, 1981), (849, 1435), (861, 1415)]