28048125

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{2137}}^1$

素因数の和:2167

約数の個数: 40

約数和(自身を含む): 53432896

約数和(自身を除く): 25384771

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 625, 875, 1875, 2137, 2625, 4375, 6411, 10685, 13125, 14959, 32055, 44877, 53425, 74795, 160275, 224385, 267125, 373975, 801375, 1121925, 1335625, 1869875, 4006875, 5609625, 9349375, 28048125]

約数ペア:

[(1, 28048125), (3, 9349375), (5, 5609625), (7, 4006875), (15, 1869875), (21, 1335625), (25, 1121925), (35, 801375), (75, 373975), (105, 267125), (125, 224385), (175, 160275), (375, 74795), (525, 53425), (625, 44877), (875, 32055), (1875, 14959), (2137, 13125), (2625, 10685), (4375, 6411)]