13804945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1559}}^1$

素因数の和:1605

約数の個数: 32

約数和(自身を含む): 21565440

約数和(自身を除く): 7760495

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1559, 1771, 7795, 8855, 10913, 17149, 35857, 54565, 85745, 120043, 179285, 250999, 394427, 600215, 1254995, 1972135, 2760989, 13804945]

約数ペア:

[(1, 13804945), (5, 2760989), (7, 1972135), (11, 1254995), (23, 600215), (35, 394427), (55, 250999), (77, 179285), (115, 120043), (161, 85745), (253, 54565), (385, 35857), (805, 17149), (1265, 10913), (1559, 8855), (1771, 7795)]