28998915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{971}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 50948352

約数和(自身を除く): 21949437

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 181, 543, 905, 971, 1991, 2715, 2913, 4855, 5973, 9955, 10681, 14565, 29865, 32043, 53405, 160215, 175751, 527253, 878755, 1933261, 2636265, 5799783, 9666305, 28998915]

約数ペア:

[(1, 28998915), (3, 9666305), (5, 5799783), (11, 2636265), (15, 1933261), (33, 878755), (55, 527253), (165, 175751), (181, 160215), (543, 53405), (905, 32043), (971, 29865), (1991, 14565), (2715, 10681), (2913, 9955), (4855, 5973)]