406125

素因数分解:

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

素因数の和:59

約数の個数: 36

約数和(自身を含む): 772668

約数和(自身を除く): 366543

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 125, 171, 225, 285, 361, 375, 475, 855, 1083, 1125, 1425, 1805, 2375, 3249, 4275, 5415, 7125, 9025, 16245, 21375, 27075, 45125, 81225, 135375, 406125]

約数ペア:

[(1, 406125), (3, 135375), (5, 81225), (9, 45125), (15, 27075), (19, 21375), (25, 16245), (45, 9025), (57, 7125), (75, 5415), (95, 4275), (125, 3249), (171, 2375), (225, 1805), (285, 1425), (361, 1125), (375, 1083), (475, 855)]