2701629

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 4900480

約数和(自身を除く): 2198851

約数列:

[1, 3, 7, 9, 19, 21, 37, 57, 61, 63, 111, 133, 171, 183, 259, 333, 399, 427, 549, 703, 777, 1159, 1197, 1281, 2109, 2257, 2331, 3477, 3843, 4921, 6327, 6771, 8113, 10431, 14763, 15799, 20313, 24339, 42883, 44289, 47397, 73017, 128649, 142191, 300181, 385947, 900543, 2701629]

約数ペア:

[(1, 2701629), (3, 900543), (7, 385947), (9, 300181), (19, 142191), (21, 128649), (37, 73017), (57, 47397), (61, 44289), (63, 42883), (111, 24339), (133, 20313), (171, 15799), (183, 14763), (259, 10431), (333, 8113), (399, 6771), (427, 6327), (549, 4921), (703, 3843), (777, 3477), (1159, 2331), (1197, 2257), (1281, 2109)]