87429279

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1361}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 149057280

約数和(自身を除く): 61628001

約数列:

[1, 3, 7, 19, 21, 23, 49, 57, 69, 133, 147, 161, 399, 437, 483, 931, 1127, 1311, 1361, 2793, 3059, 3381, 4083, 9177, 9527, 21413, 25859, 28581, 31303, 64239, 66689, 77577, 93909, 181013, 200067, 219121, 543039, 594757, 657363, 1267091, 1533847, 1784271, 3801273, 4163299, 4601541, 12489897, 29143093, 87429279]

約数ペア:

[(1, 87429279), (3, 29143093), (7, 12489897), (19, 4601541), (21, 4163299), (23, 3801273), (49, 1784271), (57, 1533847), (69, 1267091), (133, 657363), (147, 594757), (161, 543039), (399, 219121), (437, 200067), (483, 181013), (931, 93909), (1127, 77577), (1311, 66689), (1361, 64239), (2793, 31303), (3059, 28581), (3381, 25859), (4083, 21413), (9177, 9527)]