1381306311

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{17957}}^1$

素因数の和:18021

約数の個数: 64

約数和(自身を含む): 2620431360

約数和(自身を除く): 1239125049

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 37, 63, 77, 99, 111, 189, 231, 259, 297, 333, 407, 693, 777, 999, 1221, 2079, 2331, 2849, 3663, 6993, 8547, 10989, 17957, 25641, 53871, 76923, 125699, 161613, 197527, 377097, 484839, 592581, 664409, 1131291, 1382689, 1777743, 1993227, 3393873, 4148067, 4650863, 5333229, 5979681, 7308499, 12444201, 13952589, 17939043, 21925497, 37332603, 41857767, 51159493, 65776491, 125573301, 153478479, 197329473, 460435437, 1381306311]

約数ペア:

[(1, 1381306311), (3, 460435437), (7, 197329473), (9, 153478479), (11, 125573301), (21, 65776491), (27, 51159493), (33, 41857767), (37, 37332603), (63, 21925497), (77, 17939043), (99, 13952589), (111, 12444201), (189, 7308499), (231, 5979681), (259, 5333229), (297, 4650863), (333, 4148067), (407, 3393873), (693, 1993227), (777, 1777743), (999, 1382689), (1221, 1131291), (2079, 664409), (2331, 592581), (2849, 484839), (3663, 377097), (6993, 197527), (8547, 161613), (10989, 125699), (17957, 76923), (25641, 53871)]