31719195

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{271}}^1$

素因数の和:322

約数の個数: 60

約数和(自身を含む): 60623904

約数和(自身を除く): 28904709

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 271, 289, 405, 459, 765, 813, 867, 1355, 1377, 1445, 2295, 2439, 2601, 4065, 4335, 4607, 6885, 7317, 7803, 12195, 13005, 13821, 21951, 23035, 23409, 36585, 39015, 41463, 69105, 78319, 109755, 117045, 124389, 207315, 234957, 373167, 391595, 621945, 704871, 1174785, 1865835, 2114613, 3524355, 6343839, 10573065, 31719195]

約数ペア:

[(1, 31719195), (3, 10573065), (5, 6343839), (9, 3524355), (15, 2114613), (17, 1865835), (27, 1174785), (45, 704871), (51, 621945), (81, 391595), (85, 373167), (135, 234957), (153, 207315), (255, 124389), (271, 117045), (289, 109755), (405, 78319), (459, 69105), (765, 41463), (813, 39015), (867, 36585), (1355, 23409), (1377, 23035), (1445, 21951), (2295, 13821), (2439, 13005), (2601, 12195), (4065, 7803), (4335, 7317), (4607, 6885)]