239356053

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 404236800

約数和(自身を除く): 164880747

約数列:

[1, 3, 9, 19, 27, 29, 31, 57, 81, 87, 93, 171, 173, 261, 279, 513, 519, 551, 589, 783, 837, 899, 1539, 1557, 1653, 1767, 2349, 2511, 2697, 3287, 4671, 4959, 5017, 5301, 5363, 8091, 9861, 14013, 14877, 15051, 15903, 16089, 17081, 24273, 29583, 44631, 45153, 47709, 48267, 51243, 72819, 88749, 95323, 101897, 135459, 144801, 153729, 155527, 266247, 285969, 305691, 406377, 434403, 461187, 466581, 857907, 917073, 1383561, 1399743, 2573721, 2751219, 2955013, 4199229, 7721163, 8253657, 8865039, 12597687, 26595117, 79785351, 239356053]

約数ペア:

[(1, 239356053), (3, 79785351), (9, 26595117), (19, 12597687), (27, 8865039), (29, 8253657), (31, 7721163), (57, 4199229), (81, 2955013), (87, 2751219), (93, 2573721), (171, 1399743), (173, 1383561), (261, 917073), (279, 857907), (513, 466581), (519, 461187), (551, 434403), (589, 406377), (783, 305691), (837, 285969), (899, 266247), (1539, 155527), (1557, 153729), (1653, 144801), (1767, 135459), (2349, 101897), (2511, 95323), (2697, 88749), (3287, 72819), (4671, 51243), (4959, 48267), (5017, 47709), (5301, 45153), (5363, 44631), (8091, 29583), (9861, 24273), (14013, 17081), (14877, 16089), (15051, 15903)]