2839221

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 5436288

約数和(自身を除く): 2597067

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 241, 357, 561, 693, 723, 1071, 1309, 1683, 1687, 2169, 2651, 3927, 4097, 5061, 7953, 11781, 12291, 15183, 18557, 23859, 28679, 36873, 45067, 55671, 86037, 135201, 167013, 258111, 315469, 405603, 946407, 2839221]

約数ペア:

[(1, 2839221), (3, 946407), (7, 405603), (9, 315469), (11, 258111), (17, 167013), (21, 135201), (33, 86037), (51, 55671), (63, 45067), (77, 36873), (99, 28679), (119, 23859), (153, 18557), (187, 15183), (231, 12291), (241, 11781), (357, 7953), (561, 5061), (693, 4097), (723, 3927), (1071, 2651), (1309, 2169), (1683, 1687)]