39951009

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 72230400

約数和(自身を除く): 32279391

約数列:

[1, 3, 7, 9, 21, 27, 29, 37, 63, 87, 111, 189, 197, 203, 259, 261, 333, 591, 609, 777, 783, 999, 1073, 1379, 1773, 1827, 2331, 3219, 4137, 5319, 5481, 5713, 6993, 7289, 7511, 9657, 12411, 17139, 21867, 22533, 28971, 37233, 39991, 51023, 51417, 65601, 67599, 119973, 153069, 154251, 196803, 202797, 211381, 359919, 459207, 634143, 1079757, 1377621, 1479667, 1902429, 4439001, 5707287, 13317003, 39951009]

約数ペア:

[(1, 39951009), (3, 13317003), (7, 5707287), (9, 4439001), (21, 1902429), (27, 1479667), (29, 1377621), (37, 1079757), (63, 634143), (87, 459207), (111, 359919), (189, 211381), (197, 202797), (203, 196803), (259, 154251), (261, 153069), (333, 119973), (591, 67599), (609, 65601), (777, 51417), (783, 51023), (999, 39991), (1073, 37233), (1379, 28971), (1773, 22533), (1827, 21867), (2331, 17139), (3219, 12411), (4137, 9657), (5319, 7511), (5481, 7289), (5713, 6993)]