28407975

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{8059}}^1$

素因数の和:8119

約数の個数: 24

約数和(自身を含む): 47973120

約数和(自身を除く): 19565145

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 8059, 24177, 40295, 120885, 201475, 378773, 604425, 1136319, 1893865, 5681595, 9469325, 28407975]

約数ペア:

[(1, 28407975), (3, 9469325), (5, 5681595), (15, 1893865), (25, 1136319), (47, 604425), (75, 378773), (141, 201475), (235, 120885), (705, 40295), (1175, 24177), (3525, 8059)]