28700205

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2029}}^1$

素因数の和:2101

約数の個数: 32

約数和(自身を含む): 49109760

約数和(自身を除く): 20409555

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 345, 615, 943, 2029, 2829, 4715, 6087, 10145, 14145, 30435, 46667, 83189, 140001, 233335, 249567, 415945, 700005, 1247835, 1913347, 5740041, 9566735, 28700205]

約数ペア:

[(1, 28700205), (3, 9566735), (5, 5740041), (15, 1913347), (23, 1247835), (41, 700005), (69, 415945), (115, 249567), (123, 233335), (205, 140001), (345, 83189), (615, 46667), (943, 30435), (2029, 14145), (2829, 10145), (4715, 6087)]