2220777

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:84

約数の個数: 48

約数和(自身を含む): 3872960

約数和(自身を除く): 1652183

約数列:

[1, 3, 9, 13, 19, 27, 37, 39, 57, 81, 111, 117, 171, 243, 247, 333, 351, 481, 513, 703, 741, 999, 1053, 1443, 1539, 2109, 2223, 2997, 3159, 4329, 4617, 6327, 6669, 8991, 9139, 12987, 18981, 20007, 27417, 38961, 56943, 60021, 82251, 116883, 170829, 246753, 740259, 2220777]

約数ペア:

[(1, 2220777), (3, 740259), (9, 246753), (13, 170829), (19, 116883), (27, 82251), (37, 60021), (39, 56943), (57, 38961), (81, 27417), (111, 20007), (117, 18981), (171, 12987), (243, 9139), (247, 8991), (333, 6669), (351, 6327), (481, 4617), (513, 4329), (703, 3159), (741, 2997), (999, 2223), (1053, 2109), (1443, 1539)]