15181375

素因数分解:

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

素因数の和:268

約数の個数: 32

約数和(自身を含む): 21123648

約数和(自身を除く): 5942273

約数列:

[1, 5, 11, 25, 55, 61, 125, 181, 275, 305, 671, 905, 1375, 1525, 1991, 3355, 4525, 7625, 9955, 11041, 16775, 22625, 49775, 55205, 83875, 121451, 248875, 276025, 607255, 1380125, 3036275, 15181375]

約数ペア:

[(1, 15181375), (5, 3036275), (11, 1380125), (25, 607255), (55, 276025), (61, 248875), (125, 121451), (181, 83875), (275, 55205), (305, 49775), (671, 22625), (905, 16775), (1375, 11041), (1525, 9955), (1991, 7625), (3355, 4525)]