255065679

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2579}}^1$

素因数の和:2642

約数の個数: 48

約数和(自身を含む): 428238720

約数和(自身を除く): 173173041

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 243, 297, 333, 407, 891, 999, 1221, 2579, 2673, 2997, 3663, 7737, 8991, 10989, 23211, 28369, 32967, 69633, 85107, 95423, 98901, 208899, 255321, 286269, 626697, 765963, 858807, 1049653, 2297889, 2576421, 3148959, 6893667, 7729263, 9446877, 23187789, 28340631, 85021893, 255065679]

約数ペア:

[(1, 255065679), (3, 85021893), (9, 28340631), (11, 23187789), (27, 9446877), (33, 7729263), (37, 6893667), (81, 3148959), (99, 2576421), (111, 2297889), (243, 1049653), (297, 858807), (333, 765963), (407, 626697), (891, 286269), (999, 255321), (1221, 208899), (2579, 98901), (2673, 95423), (2997, 85107), (3663, 69633), (7737, 32967), (8991, 28369), (10989, 23211)]