12979791

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 22024800

約数和(自身を除く): 9045009

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 121, 137, 261, 297, 319, 363, 411, 783, 957, 1089, 1233, 1507, 2871, 3267, 3509, 3699, 3973, 4521, 8613, 10527, 11919, 13563, 16577, 31581, 35757, 40689, 43703, 49731, 94743, 107271, 131109, 149193, 393327, 447579, 480733, 1179981, 1442199, 4326597, 12979791]

約数ペア:

[(1, 12979791), (3, 4326597), (9, 1442199), (11, 1179981), (27, 480733), (29, 447579), (33, 393327), (87, 149193), (99, 131109), (121, 107271), (137, 94743), (261, 49731), (297, 43703), (319, 40689), (363, 35757), (411, 31581), (783, 16577), (957, 13563), (1089, 11919), (1233, 10527), (1507, 8613), (2871, 4521), (3267, 3973), (3509, 3699)]