2420847

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:66

約数の個数: 60

約数和(自身を含む): 4506040

約数和(自身を除く): 2085193

約数列:

[1, 3, 9, 11, 13, 19, 27, 33, 39, 57, 81, 99, 117, 121, 143, 171, 209, 247, 297, 351, 363, 429, 513, 627, 741, 891, 1053, 1089, 1287, 1539, 1573, 1881, 2223, 2299, 2717, 3267, 3861, 4719, 5643, 6669, 6897, 8151, 9801, 11583, 14157, 16929, 20007, 20691, 24453, 29887, 42471, 62073, 73359, 89661, 127413, 186219, 220077, 268983, 806949, 2420847]

約数ペア:

[(1, 2420847), (3, 806949), (9, 268983), (11, 220077), (13, 186219), (19, 127413), (27, 89661), (33, 73359), (39, 62073), (57, 42471), (81, 29887), (99, 24453), (117, 20691), (121, 20007), (143, 16929), (171, 14157), (209, 11583), (247, 9801), (297, 8151), (351, 6897), (363, 6669), (429, 5643), (513, 4719), (627, 3861), (741, 3267), (891, 2717), (1053, 2299), (1089, 2223), (1287, 1881), (1539, 1573)]