209024355

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{4787}}^1$

素因数の和:4907

約数の個数: 32

約数和(自身を含む): 347493888

約数和(自身を除く): 138469533

約数列:

[1, 3, 5, 15, 41, 71, 123, 205, 213, 355, 615, 1065, 2911, 4787, 8733, 14361, 14555, 23935, 43665, 71805, 196267, 339877, 588801, 981335, 1019631, 1699385, 2944005, 5098155, 13934957, 41804871, 69674785, 209024355]

約数ペア:

[(1, 209024355), (3, 69674785), (5, 41804871), (15, 13934957), (41, 5098155), (71, 2944005), (123, 1699385), (205, 1019631), (213, 981335), (355, 588801), (615, 339877), (1065, 196267), (2911, 71805), (4787, 43665), (8733, 23935), (14361, 14555)]