18183225

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 31997952

約数和(自身を除く): 13814727

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 83, 115, 127, 249, 345, 381, 415, 575, 635, 1245, 1725, 1905, 1909, 2075, 2921, 3175, 5727, 6225, 8763, 9525, 9545, 10541, 14605, 28635, 31623, 43815, 47725, 52705, 73025, 143175, 158115, 219075, 242443, 263525, 727329, 790575, 1212215, 3636645, 6061075, 18183225]

約数ペア:

[(1, 18183225), (3, 6061075), (5, 3636645), (15, 1212215), (23, 790575), (25, 727329), (69, 263525), (75, 242443), (83, 219075), (115, 158115), (127, 143175), (249, 73025), (345, 52705), (381, 47725), (415, 43815), (575, 31623), (635, 28635), (1245, 14605), (1725, 10541), (1905, 9545), (1909, 9525), (2075, 8763), (2921, 6225), (3175, 5727)]