2786427

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 4930560

約数和(自身を除く): 2144133

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 641, 1449, 1923, 4347, 4487, 5769, 13461, 14743, 17307, 40383, 44229, 103201, 121149, 132687, 309603, 398061, 928809, 2786427]

約数ペア:

[(1, 2786427), (3, 928809), (7, 398061), (9, 309603), (21, 132687), (23, 121149), (27, 103201), (63, 44229), (69, 40383), (161, 17307), (189, 14743), (207, 13461), (483, 5769), (621, 4487), (641, 4347), (1449, 1923)]