207938907

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 363813120

約数和(自身を除く): 155874213

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 71, 81, 99, 171, 173, 209, 213, 297, 513, 519, 627, 639, 781, 891, 1349, 1539, 1557, 1881, 1903, 1917, 2343, 3287, 4047, 4671, 5643, 5709, 5751, 7029, 9861, 12141, 12283, 14013, 14839, 16929, 17127, 21087, 29583, 36157, 36423, 36849, 44517, 51381, 63261, 88749, 108471, 109269, 110547, 133551, 135113, 154143, 233377, 266247, 325413, 331641, 400653, 405339, 700131, 976239, 994923, 1201959, 1216017, 2100393, 2567147, 2928717, 3648051, 6301179, 7701441, 10944153, 18903537, 23104323, 69312969, 207938907]

約数ペア:

[(1, 207938907), (3, 69312969), (9, 23104323), (11, 18903537), (19, 10944153), (27, 7701441), (33, 6301179), (57, 3648051), (71, 2928717), (81, 2567147), (99, 2100393), (171, 1216017), (173, 1201959), (209, 994923), (213, 976239), (297, 700131), (513, 405339), (519, 400653), (627, 331641), (639, 325413), (781, 266247), (891, 233377), (1349, 154143), (1539, 135113), (1557, 133551), (1881, 110547), (1903, 109269), (1917, 108471), (2343, 88749), (3287, 63261), (4047, 51381), (4671, 44517), (5643, 36849), (5709, 36423), (5751, 36157), (7029, 29583), (9861, 21087), (12141, 17127), (12283, 16929), (14013, 14839)]