1231659

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:73

約数の個数: 48

約数和(自身を含む): 2234400

約数和(自身を除く): 1002741

約数列:

[1, 3, 9, 11, 13, 27, 29, 33, 39, 87, 99, 117, 121, 143, 261, 297, 319, 351, 363, 377, 429, 783, 957, 1089, 1131, 1287, 1573, 2871, 3267, 3393, 3509, 3861, 4147, 4719, 8613, 10179, 10527, 12441, 14157, 31581, 37323, 42471, 45617, 94743, 111969, 136851, 410553, 1231659]

約数ペア:

[(1, 1231659), (3, 410553), (9, 136851), (11, 111969), (13, 94743), (27, 45617), (29, 42471), (33, 37323), (39, 31581), (87, 14157), (99, 12441), (117, 10527), (121, 10179), (143, 8613), (261, 4719), (297, 4147), (319, 3861), (351, 3509), (363, 3393), (377, 3267), (429, 2871), (783, 1573), (957, 1287), (1089, 1131)]