28106115

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1987}}^1$

素因数の和:2059

約数の個数: 32

約数和(自身を含む): 48093696

約数和(自身を除く): 19987581

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 345, 615, 943, 1987, 2829, 4715, 5961, 9935, 14145, 29805, 45701, 81467, 137103, 228505, 244401, 407335, 685515, 1222005, 1873741, 5621223, 9368705, 28106115]

約数ペア:

[(1, 28106115), (3, 9368705), (5, 5621223), (15, 1873741), (23, 1222005), (41, 685515), (69, 407335), (115, 244401), (123, 228505), (205, 137103), (345, 81467), (615, 45701), (943, 29805), (1987, 14145), (2829, 9935), (4715, 5961)]