27806961

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{14551}}^1$

素因数の和:14581

約数の個数: 24

約数和(自身を含む): 46449984

約数和(自身を除く): 18643023

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 14551, 43653, 101857, 189163, 305571, 567489, 712999, 1324141, 2138997, 3972423, 9268987, 27806961]

約数ペア:

[(1, 27806961), (3, 9268987), (7, 3972423), (13, 2138997), (21, 1324141), (39, 712999), (49, 567489), (91, 305571), (147, 189163), (273, 101857), (637, 43653), (1911, 14551)]