637989261

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1289}}^1$

素因数の和:1363

約数の個数: 64

約数和(自身を含む): 1098048000

約数和(自身を除く): 460058739

約数列:

[1, 3, 7, 13, 21, 37, 39, 49, 91, 111, 147, 259, 273, 343, 481, 637, 777, 1029, 1289, 1443, 1813, 1911, 3367, 3867, 4459, 5439, 9023, 10101, 12691, 13377, 16757, 23569, 27069, 38073, 47693, 50271, 63161, 70707, 117299, 143079, 164983, 189483, 333851, 351897, 442127, 494949, 620009, 821093, 1001553, 1326381, 1860027, 2336957, 2463279, 4340063, 5747651, 7010871, 13020189, 16358699, 17242953, 30380441, 49076097, 91141323, 212663087, 637989261]

約数ペア:

[(1, 637989261), (3, 212663087), (7, 91141323), (13, 49076097), (21, 30380441), (37, 17242953), (39, 16358699), (49, 13020189), (91, 7010871), (111, 5747651), (147, 4340063), (259, 2463279), (273, 2336957), (343, 1860027), (481, 1326381), (637, 1001553), (777, 821093), (1029, 620009), (1289, 494949), (1443, 442127), (1813, 351897), (1911, 333851), (3367, 189483), (3867, 164983), (4459, 143079), (5439, 117299), (9023, 70707), (10101, 63161), (12691, 50271), (13377, 47693), (16757, 38073), (23569, 27069)]