25479855

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1753}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 49252320

約数和(自身を除く): 23772465

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 765, 855, 969, 1615, 1753, 2907, 4845, 5259, 8765, 14535, 15777, 26295, 29801, 33307, 78885, 89403, 99921, 149005, 166535, 268209, 299763, 447015, 499605, 566219, 1341045, 1498815, 1698657, 2831095, 5095971, 8493285, 25479855]

約数ペア:

[(1, 25479855), (3, 8493285), (5, 5095971), (9, 2831095), (15, 1698657), (17, 1498815), (19, 1341045), (45, 566219), (51, 499605), (57, 447015), (85, 299763), (95, 268209), (153, 166535), (171, 149005), (255, 99921), (285, 89403), (323, 78885), (765, 33307), (855, 29801), (969, 26295), (1615, 15777), (1753, 14535), (2907, 8765), (4845, 5259)]