2781702

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1$

素因数の和:255

約数の個数: 80

約数和(自身を含む): 7805952

約数和(自身を除く): 5024250

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 81, 99, 126, 154, 162, 189, 198, 223, 231, 297, 378, 446, 462, 567, 594, 669, 693, 891, 1134, 1338, 1386, 1561, 1782, 2007, 2079, 2453, 3122, 4014, 4158, 4683, 4906, 6021, 6237, 7359, 9366, 12042, 12474, 14049, 14718, 17171, 18063, 22077, 28098, 34342, 36126, 42147, 44154, 51513, 66231, 84294, 103026, 126441, 132462, 154539, 198693, 252882, 309078, 397386, 463617, 927234, 1390851, 2781702]

約数ペア:

[(1, 2781702), (2, 1390851), (3, 927234), (6, 463617), (7, 397386), (9, 309078), (11, 252882), (14, 198693), (18, 154539), (21, 132462), (22, 126441), (27, 103026), (33, 84294), (42, 66231), (54, 51513), (63, 44154), (66, 42147), (77, 36126), (81, 34342), (99, 28098), (126, 22077), (154, 18063), (162, 17171), (189, 14718), (198, 14049), (223, 12474), (231, 12042), (297, 9366), (378, 7359), (446, 6237), (462, 6021), (567, 4906), (594, 4683), (669, 4158), (693, 4014), (891, 3122), (1134, 2453), (1338, 2079), (1386, 2007), (1561, 1782)]