740147247

素因数分解:

$3^3\times 7^1\times {\mathrm{853}}^1\times {\mathrm{4591}}^1$

素因数の和:5460

約数の個数: 32

約数和(自身を含む): 1254901760

約数和(自身を除く): 514754513

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 853, 2559, 4591, 5971, 7677, 13773, 17913, 23031, 32137, 41319, 53739, 96411, 123957, 161217, 289233, 867699, 3916123, 11748369, 27412861, 35245107, 82238583, 105735321, 246715749, 740147247]

約数ペア:

[(1, 740147247), (3, 246715749), (7, 105735321), (9, 82238583), (21, 35245107), (27, 27412861), (63, 11748369), (189, 3916123), (853, 867699), (2559, 289233), (4591, 161217), (5971, 123957), (7677, 96411), (13773, 53739), (17913, 41319), (23031, 32137)]