2789241

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 4854528

約数和(自身を除く): 2065287

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 601, 663, 1547, 1803, 4207, 4641, 7813, 10217, 12621, 23439, 30651, 54691, 71519, 132821, 164073, 214557, 398463, 929747, 2789241]

約数ペア:

[(1, 2789241), (3, 929747), (7, 398463), (13, 214557), (17, 164073), (21, 132821), (39, 71519), (51, 54691), (91, 30651), (119, 23439), (221, 12621), (273, 10217), (357, 7813), (601, 4641), (663, 4207), (1547, 1803)]