2180763

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:153

約数の個数: 40

約数和(自身を含む): 3726800

約数和(自身を除く): 1546037

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 109, 117, 171, 247, 327, 351, 513, 741, 981, 1053, 1417, 1539, 2071, 2223, 2943, 4251, 6213, 6669, 8829, 12753, 18639, 20007, 26923, 38259, 55917, 80769, 114777, 167751, 242307, 726921, 2180763]

約数ペア:

[(1, 2180763), (3, 726921), (9, 242307), (13, 167751), (19, 114777), (27, 80769), (39, 55917), (57, 38259), (81, 26923), (109, 20007), (117, 18639), (171, 12753), (247, 8829), (327, 6669), (351, 6213), (513, 4251), (741, 2943), (981, 2223), (1053, 2071), (1417, 1539)]