25414641

素因数分解:

$3^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 44355584

約数和(自身を除く): 18940943

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 223, 243, 469, 567, 603, 669, 1407, 1561, 1701, 1809, 2007, 4221, 4683, 5427, 6021, 12663, 14049, 14941, 16281, 18063, 37989, 42147, 44823, 54189, 104587, 113967, 126441, 134469, 313761, 379323, 403407, 941283, 1210221, 2823849, 3630663, 8471547, 25414641]

約数ペア:

[(1, 25414641), (3, 8471547), (7, 3630663), (9, 2823849), (21, 1210221), (27, 941283), (63, 403407), (67, 379323), (81, 313761), (189, 134469), (201, 126441), (223, 113967), (243, 104587), (469, 54189), (567, 44823), (603, 42147), (669, 37989), (1407, 18063), (1561, 16281), (1701, 14941), (1809, 14049), (2007, 12663), (4221, 6021), (4683, 5427)]