1891125

素因数分解:

$3^2\times 5^3\times {\mathrm{41}}^2$

素因数の和:103

約数の個数: 36

約数和(自身を含む): 3494244

約数和(自身を除く): 1603119

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 125, 205, 225, 369, 375, 615, 1025, 1125, 1681, 1845, 3075, 5043, 5125, 8405, 9225, 15129, 15375, 25215, 42025, 46125, 75645, 126075, 210125, 378225, 630375, 1891125]

約数ペア:

[(1, 1891125), (3, 630375), (5, 378225), (9, 210125), (15, 126075), (25, 75645), (41, 46125), (45, 42025), (75, 25215), (123, 15375), (125, 15129), (205, 9225), (225, 8405), (369, 5125), (375, 5043), (615, 3075), (1025, 1845), (1125, 1681)]