1821765

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 3249792

約数和(自身を除く): 1428027

約数列:

[1, 3, 5, 11, 15, 33, 55, 61, 165, 181, 183, 305, 543, 671, 905, 915, 1991, 2013, 2715, 3355, 5973, 9955, 10065, 11041, 29865, 33123, 55205, 121451, 165615, 364353, 607255, 1821765]

約数ペア:

[(1, 1821765), (3, 607255), (5, 364353), (11, 165615), (15, 121451), (33, 55205), (55, 33123), (61, 29865), (165, 11041), (181, 10065), (183, 9955), (305, 5973), (543, 3355), (671, 2715), (905, 2013), (915, 1991)]