2018902779

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1279}}^1$

素因数の和:1505

約数の個数: 64

約数和(自身を含む): 3354624000

約数和(自身を除く): 1335721221

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 181, 323, 459, 513, 543, 969, 1279, 1629, 2907, 3077, 3439, 3837, 4887, 8721, 9231, 10317, 11511, 21743, 24301, 27693, 30951, 34533, 58463, 65229, 72903, 83079, 92853, 175389, 195687, 218709, 231499, 413117, 526167, 587061, 656127, 694497, 1239351, 1578501, 2083491, 3718053, 3935483, 4398481, 6250473, 11154159, 11806449, 13195443, 35419347, 39586329, 74774177, 106258041, 118758987, 224322531, 672967593, 2018902779]

約数ペア:

[(1, 2018902779), (3, 672967593), (9, 224322531), (17, 118758987), (19, 106258041), (27, 74774177), (51, 39586329), (57, 35419347), (153, 13195443), (171, 11806449), (181, 11154159), (323, 6250473), (459, 4398481), (513, 3935483), (543, 3718053), (969, 2083491), (1279, 1578501), (1629, 1239351), (2907, 694497), (3077, 656127), (3439, 587061), (3837, 526167), (4887, 413117), (8721, 231499), (9231, 218709), (10317, 195687), (11511, 175389), (21743, 92853), (24301, 83079), (27693, 72903), (30951, 65229), (34533, 58463)]