1821009735

素因数分解:

$3^3\times 5^1\times {\mathrm{13488961}}^1$

素因数の和:13488975

約数の個数: 16

約数和(自身を含む): 3237350880

約数和(自身を除く): 1416341145

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 13488961, 40466883, 67444805, 121400649, 202334415, 364201947, 607003245, 1821009735]

約数ペア:

[(1, 1821009735), (3, 607003245), (5, 364201947), (9, 202334415), (15, 121400649), (27, 67444805), (45, 40466883), (135, 13488961)]