28512375

素因数分解:

$3^1\times 5^3\times {\mathrm{139}}^1\times {\mathrm{547}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 47873280

約数和(自身を除く): 19360905

約数列:

[1, 3, 5, 15, 25, 75, 125, 139, 375, 417, 547, 695, 1641, 2085, 2735, 3475, 8205, 10425, 13675, 17375, 41025, 52125, 68375, 76033, 205125, 228099, 380165, 1140495, 1900825, 5702475, 9504125, 28512375]

約数ペア:

[(1, 28512375), (3, 9504125), (5, 5702475), (15, 1900825), (25, 1140495), (75, 380165), (125, 228099), (139, 205125), (375, 76033), (417, 68375), (547, 52125), (695, 41025), (1641, 17375), (2085, 13675), (2735, 10425), (3475, 8205)]