39720285

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2767}}^1$

素因数の和:2818

約数の個数: 48

約数和(自身を含む): 77725440

約数和(自身を除く): 38005155

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 957, 1305, 1595, 2767, 2871, 4785, 8301, 13835, 14355, 24903, 30437, 41505, 80243, 91311, 124515, 152185, 240729, 273933, 401215, 456555, 722187, 882673, 1203645, 1369665, 2648019, 3610935, 4413365, 7944057, 13240095, 39720285]

約数ペア:

[(1, 39720285), (3, 13240095), (5, 7944057), (9, 4413365), (11, 3610935), (15, 2648019), (29, 1369665), (33, 1203645), (45, 882673), (55, 722187), (87, 456555), (99, 401215), (145, 273933), (165, 240729), (261, 152185), (319, 124515), (435, 91311), (495, 80243), (957, 41505), (1305, 30437), (1595, 24903), (2767, 14355), (2871, 13835), (4785, 8301)]