2721741

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1231}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 4021248

約数和(自身を除く): 1299507

約数列:

[1, 3, 11, 33, 67, 201, 737, 1231, 2211, 3693, 13541, 40623, 82477, 247431, 907247, 2721741]

約数ペア:

[(1, 2721741), (3, 907247), (11, 247431), (33, 82477), (67, 40623), (201, 13541), (737, 3693), (1231, 2211)]