268387779

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{2621}}^1$

素因数の和:2771

約数の個数: 32

約数和(自身を含む): 407773440

約数和(自身を除く): 139385661

約数列:

[1, 3, 11, 29, 33, 87, 107, 319, 321, 957, 1177, 2621, 3103, 3531, 7863, 9309, 28831, 34133, 76009, 86493, 102399, 228027, 280447, 836099, 841341, 2508297, 3084917, 8132963, 9254751, 24398889, 89462593, 268387779]

約数ペア:

[(1, 268387779), (3, 89462593), (11, 24398889), (29, 9254751), (33, 8132963), (87, 3084917), (107, 2508297), (319, 841341), (321, 836099), (957, 280447), (1177, 228027), (2621, 102399), (3103, 86493), (3531, 76009), (7863, 34133), (9309, 28831)]