221330259

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 374976000

約数和(自身を除く): 153645741

約数列:

[1, 3, 9, 17, 19, 27, 41, 51, 57, 123, 153, 171, 323, 369, 459, 513, 619, 697, 779, 969, 1107, 1857, 2091, 2337, 2907, 5571, 6273, 7011, 8721, 10523, 11761, 13243, 16713, 18819, 21033, 25379, 31569, 35283, 39729, 76137, 94707, 105849, 119187, 199937, 228411, 284121, 317547, 357561, 431443, 482201, 599811, 685233, 1294329, 1446603, 1799433, 3882987, 4339809, 5398299, 8197417, 11648961, 13019427, 24592251, 73776753, 221330259]

約数ペア:

[(1, 221330259), (3, 73776753), (9, 24592251), (17, 13019427), (19, 11648961), (27, 8197417), (41, 5398299), (51, 4339809), (57, 3882987), (123, 1799433), (153, 1446603), (171, 1294329), (323, 685233), (369, 599811), (459, 482201), (513, 431443), (619, 357561), (697, 317547), (779, 284121), (969, 228411), (1107, 199937), (1857, 119187), (2091, 105849), (2337, 94707), (2907, 76137), (5571, 39729), (6273, 35283), (7011, 31569), (8721, 25379), (10523, 21033), (11761, 18819), (13243, 16713)]