215395443

素因数分解:

$3^7\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 325704000

約数和(自身を除く): 110308557

約数列:

[1, 3, 9, 27, 81, 149, 243, 447, 661, 729, 1341, 1983, 2187, 4023, 5949, 12069, 17847, 36207, 53541, 98489, 108621, 160623, 295467, 325863, 481869, 886401, 1445607, 2659203, 7977609, 23932827, 71798481, 215395443]

約数ペア:

[(1, 215395443), (3, 71798481), (9, 23932827), (27, 7977609), (81, 2659203), (149, 1445607), (243, 886401), (447, 481869), (661, 325863), (729, 295467), (1341, 160623), (1983, 108621), (2187, 98489), (4023, 53541), (5949, 36207), (12069, 17847)]