13886271

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{971}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 23048064

約数和(自身を除く): 9161793

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 971, 1589, 2043, 2913, 4767, 6797, 8739, 14301, 20391, 61173, 220417, 661251, 1542919, 1983753, 4628757, 13886271]

約数ペア:

[(1, 13886271), (3, 4628757), (7, 1983753), (9, 1542919), (21, 661251), (63, 220417), (227, 61173), (681, 20391), (971, 14301), (1589, 8739), (2043, 6797), (2913, 4767)]