1988253

素因数分解:

$3^3\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:569

約数の個数: 16

約数和(自身を含む): 2968000

約数和(自身を除く): 979747

約数列:

[1, 3, 9, 27, 211, 349, 633, 1047, 1899, 3141, 5697, 9423, 73639, 220917, 662751, 1988253]

約数ペア:

[(1, 1988253), (3, 662751), (9, 220917), (27, 73639), (211, 9423), (349, 5697), (633, 3141), (1047, 1899)]