87406839

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 142358944

約数和(自身を除く): 54952105

約数列:

[1, 3, 9, 13, 37, 39, 61, 111, 117, 183, 331, 333, 481, 549, 793, 993, 1443, 2257, 2379, 2979, 4303, 4329, 6771, 7137, 12247, 12909, 20191, 20313, 29341, 36741, 38727, 60573, 88023, 110223, 159211, 181719, 262483, 264069, 477633, 747067, 787449, 1432899, 2241201, 2362347, 6723603, 9711871, 29135613, 87406839]

約数ペア:

[(1, 87406839), (3, 29135613), (9, 9711871), (13, 6723603), (37, 2362347), (39, 2241201), (61, 1432899), (111, 787449), (117, 747067), (183, 477633), (331, 264069), (333, 262483), (481, 181719), (549, 159211), (793, 110223), (993, 88023), (1443, 60573), (2257, 38727), (2379, 36741), (2979, 29341), (4303, 20313), (4329, 20191), (6771, 12909), (7137, 12247)]