28155825

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{433}}^1$

素因数の和:483

約数の個数: 54

約数和(自身を含む): 53694914

約数和(自身を除く): 25539089

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 289, 425, 433, 765, 867, 1275, 1299, 1445, 2165, 2601, 3825, 3897, 4335, 6495, 7225, 7361, 10825, 13005, 19485, 21675, 22083, 32475, 36805, 65025, 66249, 97425, 110415, 125137, 184025, 331245, 375411, 552075, 625685, 1126233, 1656225, 1877055, 3128425, 5631165, 9385275, 28155825]

約数ペア:

[(1, 28155825), (3, 9385275), (5, 5631165), (9, 3128425), (15, 1877055), (17, 1656225), (25, 1126233), (45, 625685), (51, 552075), (75, 375411), (85, 331245), (153, 184025), (225, 125137), (255, 110415), (289, 97425), (425, 66249), (433, 65025), (765, 36805), (867, 32475), (1275, 22083), (1299, 21675), (1445, 19485), (2165, 13005), (2601, 10825), (3825, 7361), (3897, 7225), (4335, 6495)]