28894875

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{2657}}^1$

素因数の和:2704

約数の個数: 32

約数和(自身を含む): 49757760

約数和(自身を除く): 20862885

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 145, 375, 435, 725, 2175, 2657, 3625, 7971, 10875, 13285, 39855, 66425, 77053, 199275, 231159, 332125, 385265, 996375, 1155795, 1926325, 5778975, 9631625, 28894875]

約数ペア:

[(1, 28894875), (3, 9631625), (5, 5778975), (15, 1926325), (25, 1155795), (29, 996375), (75, 385265), (87, 332125), (125, 231159), (145, 199275), (375, 77053), (435, 66425), (725, 39855), (2175, 13285), (2657, 10875), (3625, 7971)]