7851249

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:307

約数の個数: 40

約数和(自身を含む): 13683648

約数和(自身を除く): 5832399

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 227, 427, 549, 567, 681, 1281, 1589, 1647, 2043, 3843, 4767, 4941, 6129, 11529, 13847, 14301, 18387, 34587, 41541, 42903, 96929, 124623, 128709, 290787, 373869, 872361, 1121607, 2617083, 7851249]

約数ペア:

[(1, 7851249), (3, 2617083), (7, 1121607), (9, 872361), (21, 373869), (27, 290787), (61, 128709), (63, 124623), (81, 96929), (183, 42903), (189, 41541), (227, 34587), (427, 18387), (549, 14301), (567, 13847), (681, 11529), (1281, 6129), (1589, 4941), (1647, 4767), (2043, 3843)]