28564125

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^2\times {\mathrm{211}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 50401728

約数和(自身を除く): 21837603

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 211, 285, 361, 375, 475, 633, 1055, 1083, 1425, 1805, 2375, 3165, 4009, 5275, 5415, 7125, 9025, 12027, 15825, 20045, 26375, 27075, 45125, 60135, 76171, 79125, 100225, 135375, 228513, 300675, 380855, 501125, 1142565, 1503375, 1904275, 5712825, 9521375, 28564125]

約数ペア:

[(1, 28564125), (3, 9521375), (5, 5712825), (15, 1904275), (19, 1503375), (25, 1142565), (57, 501125), (75, 380855), (95, 300675), (125, 228513), (211, 135375), (285, 100225), (361, 79125), (375, 76171), (475, 60135), (633, 45125), (1055, 27075), (1083, 26375), (1425, 20045), (1805, 15825), (2375, 12027), (3165, 9025), (4009, 7125), (5275, 5415)]