28184775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{16339}}^1$

素因数の和:16375

約数の個数: 24

約数和(自身を含む): 48627840

約数和(自身を除く): 20443065

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 16339, 49017, 81695, 245085, 375797, 408475, 1127391, 1225425, 1878985, 5636955, 9394925, 28184775]

約数ペア:

[(1, 28184775), (3, 9394925), (5, 5636955), (15, 1878985), (23, 1225425), (25, 1127391), (69, 408475), (75, 375797), (115, 245085), (345, 81695), (575, 49017), (1725, 16339)]