2811942

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 7349760

約数和(自身を除く): 4537818

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 86, 126, 129, 173, 189, 258, 301, 346, 378, 387, 519, 602, 774, 903, 1038, 1161, 1211, 1557, 1806, 2322, 2422, 2709, 3114, 3633, 4671, 5418, 7266, 7439, 8127, 9342, 10899, 14878, 16254, 21798, 22317, 32697, 44634, 52073, 65394, 66951, 104146, 133902, 156219, 200853, 312438, 401706, 468657, 937314, 1405971, 2811942]

約数ペア:

[(1, 2811942), (2, 1405971), (3, 937314), (6, 468657), (7, 401706), (9, 312438), (14, 200853), (18, 156219), (21, 133902), (27, 104146), (42, 66951), (43, 65394), (54, 52073), (63, 44634), (86, 32697), (126, 22317), (129, 21798), (173, 16254), (189, 14878), (258, 10899), (301, 9342), (346, 8127), (378, 7439), (387, 7266), (519, 5418), (602, 4671), (774, 3633), (903, 3114), (1038, 2709), (1161, 2422), (1211, 2322), (1557, 1806)]