2800791

素因数分解:

$3^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:125

約数の個数: 48

約数和(自身を含む): 5061600

約数和(自身を除く): 2260809

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 73, 87, 147, 189, 203, 219, 261, 441, 511, 609, 657, 783, 1323, 1421, 1533, 1827, 1971, 2117, 3577, 4263, 4599, 5481, 6351, 10731, 12789, 13797, 14819, 19053, 32193, 38367, 44457, 57159, 96579, 103733, 133371, 311199, 400113, 933597, 2800791]

約数ペア:

[(1, 2800791), (3, 933597), (7, 400113), (9, 311199), (21, 133371), (27, 103733), (29, 96579), (49, 57159), (63, 44457), (73, 38367), (87, 32193), (147, 19053), (189, 14819), (203, 13797), (219, 12789), (261, 10731), (441, 6351), (511, 5481), (609, 4599), (657, 4263), (783, 3577), (1323, 2117), (1421, 1971), (1533, 1827)]