28856685

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1223}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 54698112

約数和(自身を除く): 25841427

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 121, 143, 165, 195, 363, 429, 605, 715, 1223, 1573, 1815, 2145, 3669, 4719, 6115, 7865, 13453, 15899, 18345, 23595, 40359, 47697, 67265, 79495, 147983, 174889, 201795, 238485, 443949, 524667, 739915, 874445, 1923779, 2219745, 2623335, 5771337, 9618895, 28856685]

約数ペア:

[(1, 28856685), (3, 9618895), (5, 5771337), (11, 2623335), (13, 2219745), (15, 1923779), (33, 874445), (39, 739915), (55, 524667), (65, 443949), (121, 238485), (143, 201795), (165, 174889), (195, 147983), (363, 79495), (429, 67265), (605, 47697), (715, 40359), (1223, 23595), (1573, 18345), (1815, 15899), (2145, 13453), (3669, 7865), (4719, 6115)]