12547185

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 23956416

約数和(自身を除く): 11409231

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 215, 245, 301, 397, 645, 735, 903, 1191, 1505, 1985, 2107, 2779, 4515, 5955, 6321, 8337, 10535, 13895, 17071, 19453, 31605, 41685, 51213, 58359, 85355, 97265, 119497, 256065, 291795, 358491, 597485, 836479, 1792455, 2509437, 4182395, 12547185]

約数ペア:

[(1, 12547185), (3, 4182395), (5, 2509437), (7, 1792455), (15, 836479), (21, 597485), (35, 358491), (43, 291795), (49, 256065), (105, 119497), (129, 97265), (147, 85355), (215, 58359), (245, 51213), (301, 41685), (397, 31605), (645, 19453), (735, 17071), (903, 13895), (1191, 10535), (1505, 8337), (1985, 6321), (2107, 5955), (2779, 4515)]