20181225

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6563}}^1$

素因数の和:6617

約数の個数: 24

約数和(自身を含む): 34185312

約数和(自身を除く): 14004087

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 6563, 19689, 32815, 98445, 164075, 269083, 492225, 807249, 1345415, 4036245, 6727075, 20181225]

約数ペア:

[(1, 20181225), (3, 6727075), (5, 4036245), (15, 1345415), (25, 807249), (41, 492225), (75, 269083), (123, 164075), (205, 98445), (615, 32815), (1025, 19689), (3075, 6563)]