287942769

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3313}}^1$

素因数の和:3391

約数の個数: 40

約数和(自身を含む): 457133160

約数和(自身を除く): 169190391

約数列:

[1, 3, 9, 27, 29, 37, 81, 87, 111, 261, 333, 783, 999, 1073, 2349, 2997, 3219, 3313, 9657, 9939, 28971, 29817, 86913, 89451, 96077, 122581, 268353, 288231, 367743, 864693, 1103229, 2594079, 3309687, 3554849, 7782237, 9929061, 10664547, 31993641, 95980923, 287942769]

約数ペア:

[(1, 287942769), (3, 95980923), (9, 31993641), (27, 10664547), (29, 9929061), (37, 7782237), (81, 3554849), (87, 3309687), (111, 2594079), (261, 1103229), (333, 864693), (783, 367743), (999, 288231), (1073, 268353), (2349, 122581), (2997, 96077), (3219, 89451), (3313, 86913), (9657, 29817), (9939, 28971)]