1988091

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 32

約数和(自身を含む): 3438080

約数和(自身を除く): 1449989

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 157, 189, 201, 469, 471, 603, 1099, 1407, 1413, 1809, 3297, 4221, 4239, 9891, 10519, 12663, 29673, 31557, 73633, 94671, 220899, 284013, 662697, 1988091]

約数ペア:

[(1, 1988091), (3, 662697), (7, 284013), (9, 220899), (21, 94671), (27, 73633), (63, 31557), (67, 29673), (157, 12663), (189, 10519), (201, 9891), (469, 4239), (471, 4221), (603, 3297), (1099, 1809), (1407, 1413)]