27379989

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 49305984

約数和(自身を除く): 21925995

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 101, 117, 273, 303, 331, 707, 819, 909, 993, 1313, 2121, 2317, 2979, 3939, 4303, 6363, 6951, 9191, 11817, 12909, 20853, 27573, 30121, 33431, 38727, 82719, 90363, 100293, 234017, 271089, 300879, 434603, 702051, 1303809, 2106153, 3042221, 3911427, 9126663, 27379989]

約数ペア:

[(1, 27379989), (3, 9126663), (7, 3911427), (9, 3042221), (13, 2106153), (21, 1303809), (39, 702051), (63, 434603), (91, 300879), (101, 271089), (117, 234017), (273, 100293), (303, 90363), (331, 82719), (707, 38727), (819, 33431), (909, 30121), (993, 27573), (1313, 20853), (2121, 12909), (2317, 11817), (2979, 9191), (3939, 6951), (4303, 6363)]