31221801

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{88951}}^1$

素因数の和:88973

約数の個数: 16

約数和(自身を含む): 49813120

約数和(自身を除く): 18591319

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 88951, 266853, 800559, 1156363, 2401677, 3469089, 10407267, 31221801]

約数ペア:

[(1, 31221801), (3, 10407267), (9, 3469089), (13, 2401677), (27, 1156363), (39, 800559), (117, 266853), (351, 88951)]