11987115

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 22851072

約数和(自身を除く): 10863957

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 49, 105, 141, 147, 235, 245, 329, 347, 705, 735, 987, 1041, 1645, 1735, 2303, 2429, 4935, 5205, 6909, 7287, 11515, 12145, 16309, 17003, 34545, 36435, 48927, 51009, 81545, 85015, 114163, 244635, 255045, 342489, 570815, 799141, 1712445, 2397423, 3995705, 11987115]

約数ペア:

[(1, 11987115), (3, 3995705), (5, 2397423), (7, 1712445), (15, 799141), (21, 570815), (35, 342489), (47, 255045), (49, 244635), (105, 114163), (141, 85015), (147, 81545), (235, 51009), (245, 48927), (329, 36435), (347, 34545), (705, 17003), (735, 16309), (987, 12145), (1041, 11515), (1645, 7287), (1735, 6909), (2303, 5205), (2429, 4935)]