197517825

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{15401}}^1$

素因数の和:15439

約数の個数: 48

約数和(自身を含む): 381969600

約数和(自身を除く): 184451775

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 1425, 2565, 4275, 12825, 15401, 46203, 77005, 138609, 231015, 292619, 385025, 415827, 693045, 877857, 1155075, 1463095, 2079135, 2633571, 3465225, 4389285, 7315475, 7900713, 10395675, 13167855, 21946425, 39503565, 65839275, 197517825]

約数ペア:

[(1, 197517825), (3, 65839275), (5, 39503565), (9, 21946425), (15, 13167855), (19, 10395675), (25, 7900713), (27, 7315475), (45, 4389285), (57, 3465225), (75, 2633571), (95, 2079135), (135, 1463095), (171, 1155075), (225, 877857), (285, 693045), (475, 415827), (513, 385025), (675, 292619), (855, 231015), (1425, 138609), (2565, 77005), (4275, 46203), (12825, 15401)]