218639613

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{16007}}^1$

素因数の和:16196

約数の個数: 16

約数和(自身を含む): 303511680

約数和(自身を除く): 84872067

約数列:

[1, 3, 29, 87, 157, 471, 4553, 13659, 16007, 48021, 464203, 1392609, 2513099, 7539297, 72879871, 218639613]

約数ペア:

[(1, 218639613), (3, 72879871), (29, 7539297), (87, 2513099), (157, 1392609), (471, 464203), (4553, 48021), (13659, 16007)]