85020015

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{823}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 139539456

約数和(自身を除く): 54519441

約数列:

[1, 3, 5, 15, 71, 97, 213, 291, 355, 485, 823, 1065, 1455, 2469, 4115, 6887, 12345, 20661, 34435, 58433, 79831, 103305, 175299, 239493, 292165, 399155, 876495, 1197465, 5668001, 17004003, 28340005, 85020015]

約数ペア:

[(1, 85020015), (3, 28340005), (5, 17004003), (15, 5668001), (71, 1197465), (97, 876495), (213, 399155), (291, 292165), (355, 239493), (485, 175299), (823, 103305), (1065, 79831), (1455, 58433), (2469, 34435), (4115, 20661), (6887, 12345)]