8528205

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 16317504

約数和(自身を除く): 7789299

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 49, 105, 123, 147, 205, 245, 283, 287, 615, 735, 849, 861, 1415, 1435, 1981, 2009, 4245, 4305, 5943, 6027, 9905, 10045, 11603, 13867, 29715, 30135, 34809, 41601, 58015, 69335, 81221, 174045, 208005, 243663, 406105, 568547, 1218315, 1705641, 2842735, 8528205]

約数ペア:

[(1, 8528205), (3, 2842735), (5, 1705641), (7, 1218315), (15, 568547), (21, 406105), (35, 243663), (41, 208005), (49, 174045), (105, 81221), (123, 69335), (147, 58015), (205, 41601), (245, 34809), (283, 30135), (287, 29715), (615, 13867), (735, 11603), (849, 10045), (861, 9905), (1415, 6027), (1435, 5943), (1981, 4305), (2009, 4245)]