28001125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{13177}}^1$

素因数の和:13209

約数の個数: 16

約数和(自身を含む): 37003824

約数和(自身を除く): 9002699

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 13177, 65885, 224009, 329425, 1120045, 1647125, 5600225, 28001125]

約数ペア:

[(1, 28001125), (5, 5600225), (17, 1647125), (25, 1120045), (85, 329425), (125, 224009), (425, 65885), (2125, 13177)]