13620705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1777}}^1$

素因数の和:1865

約数の個数: 32

約数和(自身を含む): 25261824

約数和(自身を除く): 11641119

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 219, 365, 511, 1095, 1533, 1777, 2555, 5331, 7665, 8885, 12439, 26655, 37317, 62195, 129721, 186585, 389163, 648605, 908047, 1945815, 2724141, 4540235, 13620705]

約数ペア:

[(1, 13620705), (3, 4540235), (5, 2724141), (7, 1945815), (15, 908047), (21, 648605), (35, 389163), (73, 186585), (105, 129721), (219, 62195), (365, 37317), (511, 26655), (1095, 12439), (1533, 8885), (1777, 7665), (2555, 5331)]