16399251

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{37}}^2$

素因数の和:113

約数の個数: 36

約数和(自身を含む): 26778024

約数和(自身を除く): 10378773

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 121, 333, 363, 407, 1089, 1221, 1331, 1369, 3663, 3993, 4107, 4477, 11979, 12321, 13431, 15059, 40293, 45177, 49247, 135531, 147741, 165649, 443223, 496947, 1490841, 1822139, 5466417, 16399251]

約数ペア:

[(1, 16399251), (3, 5466417), (9, 1822139), (11, 1490841), (33, 496947), (37, 443223), (99, 165649), (111, 147741), (121, 135531), (333, 49247), (363, 45177), (407, 40293), (1089, 15059), (1221, 13431), (1331, 12321), (1369, 11979), (3663, 4477), (3993, 4107)]