28408575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29137}}^1$

素因数の和:29163

約数の個数: 24

約数和(自身を含む): 50583568

約数和(自身を除く): 22174993

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 29137, 87411, 145685, 378781, 437055, 728425, 1136343, 1893905, 2185275, 5681715, 9469525, 28408575]

約数ペア:

[(1, 28408575), (3, 9469525), (5, 5681715), (13, 2185275), (15, 1893905), (25, 1136343), (39, 728425), (65, 437055), (75, 378781), (195, 145685), (325, 87411), (975, 29137)]