40805919

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 76186656

約数和(自身を除く): 35380737

約数列:

[1, 3, 7, 9, 11, 21, 33, 53, 63, 77, 99, 101, 121, 159, 231, 303, 363, 371, 477, 583, 693, 707, 847, 909, 1089, 1111, 1113, 1749, 2121, 2541, 3333, 3339, 4081, 5247, 5353, 6363, 6413, 7623, 7777, 9999, 12221, 12243, 16059, 19239, 23331, 36663, 36729, 37471, 44891, 48177, 57717, 58883, 69993, 85547, 109989, 112413, 134673, 176649, 256641, 337239, 404019, 412181, 529947, 647713, 769923, 1236543, 1943139, 3709629, 4533991, 5829417, 13601973, 40805919]

約数ペア:

[(1, 40805919), (3, 13601973), (7, 5829417), (9, 4533991), (11, 3709629), (21, 1943139), (33, 1236543), (53, 769923), (63, 647713), (77, 529947), (99, 412181), (101, 404019), (121, 337239), (159, 256641), (231, 176649), (303, 134673), (363, 112413), (371, 109989), (477, 85547), (583, 69993), (693, 58883), (707, 57717), (847, 48177), (909, 44891), (1089, 37471), (1111, 36729), (1113, 36663), (1749, 23331), (2121, 19239), (2541, 16059), (3333, 12243), (3339, 12221), (4081, 9999), (5247, 7777), (5353, 7623), (6363, 6413)]