28683975

素因数分解:

$3^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{2113}}^1$

素因数の和:2307

約数の個数: 24

約数和(自身を含む): 47708752

約数和(自身を除く): 19024777

約数列:

[1, 3, 5, 15, 25, 75, 181, 543, 905, 2113, 2715, 4525, 6339, 10565, 13575, 31695, 52825, 158475, 382453, 1147359, 1912265, 5736795, 9561325, 28683975]

約数ペア:

[(1, 28683975), (3, 9561325), (5, 5736795), (15, 1912265), (25, 1147359), (75, 382453), (181, 158475), (543, 52825), (905, 31695), (2113, 13575), (2715, 10565), (4525, 6339)]