42749805

素因数分解:

$3^1\times 5^1\times 7^4\times {\mathrm{1187}}^1$

素因数の和:1223

約数の個数: 40

約数和(自身を含む): 79862112

約数和(自身を除く): 37112307

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1187, 1715, 2401, 3561, 5145, 5935, 7203, 8309, 12005, 17805, 24927, 36015, 41545, 58163, 124635, 174489, 290815, 407141, 872445, 1221423, 2035705, 2849987, 6107115, 8549961, 14249935, 42749805]

約数ペア:

[(1, 42749805), (3, 14249935), (5, 8549961), (7, 6107115), (15, 2849987), (21, 2035705), (35, 1221423), (49, 872445), (105, 407141), (147, 290815), (245, 174489), (343, 124635), (735, 58163), (1029, 41545), (1187, 36015), (1715, 24927), (2401, 17805), (3561, 12005), (5145, 8309), (5935, 7203)]