890991783

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{3079}}^1$

素因数の和:3212

約数の個数: 48

約数和(自身を含む): 1460659200

約数和(自身を除く): 569667417

約数列:

[1, 3, 9, 11, 33, 37, 79, 99, 111, 237, 333, 407, 711, 869, 1221, 2607, 2923, 3079, 3663, 7821, 8769, 9237, 26307, 27711, 32153, 33869, 96459, 101607, 113923, 243241, 289377, 304821, 341769, 729723, 1025307, 1253153, 2189169, 2675651, 3759459, 8026953, 8999917, 11278377, 24080859, 26999751, 80999253, 98999087, 296997261, 890991783]

約数ペア:

[(1, 890991783), (3, 296997261), (9, 98999087), (11, 80999253), (33, 26999751), (37, 24080859), (79, 11278377), (99, 8999917), (111, 8026953), (237, 3759459), (333, 2675651), (407, 2189169), (711, 1253153), (869, 1025307), (1221, 729723), (2607, 341769), (2923, 304821), (3079, 289377), (3663, 243241), (7821, 113923), (8769, 101607), (9237, 96459), (26307, 33869), (27711, 32153)]