428246217

素因数分解:

$3^3\times 7^1\times {\mathrm{593}}^1\times {\mathrm{3821}}^1$

素因数の和:4430

約数の個数: 32

約数和(自身を含む): 726485760

約数和(自身を除く): 298239543

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 593, 1779, 3821, 4151, 5337, 11463, 12453, 16011, 26747, 34389, 37359, 80241, 103167, 112077, 240723, 722169, 2265853, 6797559, 15860971, 20392677, 47582913, 61178031, 142748739, 428246217]

約数ペア:

[(1, 428246217), (3, 142748739), (7, 61178031), (9, 47582913), (21, 20392677), (27, 15860971), (63, 6797559), (189, 2265853), (593, 722169), (1779, 240723), (3821, 112077), (4151, 103167), (5337, 80241), (11463, 37359), (12453, 34389), (16011, 26747)]