289406979

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{11923}}^1$

素因数の和:11992

約数の個数: 32

約数和(自身を含む): 457881600

約数和(自身を除く): 168474621

約数列:

[1, 3, 9, 27, 29, 31, 87, 93, 261, 279, 783, 837, 899, 2697, 8091, 11923, 24273, 35769, 107307, 321921, 345767, 369613, 1037301, 1108839, 3111903, 3326517, 9335709, 9979551, 10718777, 32156331, 96468993, 289406979]

約数ペア:

[(1, 289406979), (3, 96468993), (9, 32156331), (27, 10718777), (29, 9979551), (31, 9335709), (87, 3326517), (93, 3111903), (261, 1108839), (279, 1037301), (783, 369613), (837, 345767), (899, 321921), (2697, 107307), (8091, 35769), (11923, 24273)]