28944675

素因数分解:

$3^3\times 5^2\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 53731680

約数和(自身を除く): 24787005

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 137, 225, 313, 411, 675, 685, 939, 1233, 1565, 2055, 2817, 3425, 3699, 4695, 6165, 7825, 8451, 10275, 14085, 18495, 23475, 30825, 42255, 42881, 70425, 92475, 128643, 211275, 214405, 385929, 643215, 1072025, 1157787, 1929645, 3216075, 5788935, 9648225, 28944675]

約数ペア:

[(1, 28944675), (3, 9648225), (5, 5788935), (9, 3216075), (15, 1929645), (25, 1157787), (27, 1072025), (45, 643215), (75, 385929), (135, 214405), (137, 211275), (225, 128643), (313, 92475), (411, 70425), (675, 42881), (685, 42255), (939, 30825), (1233, 23475), (1565, 18495), (2055, 14085), (2817, 10275), (3425, 8451), (3699, 7825), (4695, 6165)]