168409905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 295384320

約数和(自身を除く): 126974415

約数列:

[1, 3, 5, 15, 17, 51, 73, 83, 85, 109, 219, 249, 255, 327, 365, 415, 545, 1095, 1241, 1245, 1411, 1635, 1853, 3723, 4233, 5559, 6059, 6205, 7055, 7957, 9047, 9265, 18177, 18615, 21165, 23871, 27141, 27795, 30295, 39785, 45235, 90885, 103003, 119355, 135269, 135705, 153799, 309009, 405807, 461397, 515015, 660431, 676345, 768995, 1545045, 1981293, 2029035, 2306985, 3302155, 9906465, 11227327, 33681981, 56136635, 168409905]

約数ペア:

[(1, 168409905), (3, 56136635), (5, 33681981), (15, 11227327), (17, 9906465), (51, 3302155), (73, 2306985), (83, 2029035), (85, 1981293), (109, 1545045), (219, 768995), (249, 676345), (255, 660431), (327, 515015), (365, 461397), (415, 405807), (545, 309009), (1095, 153799), (1241, 135705), (1245, 135269), (1411, 119355), (1635, 103003), (1853, 90885), (3723, 45235), (4233, 39785), (5559, 30295), (6059, 27795), (6205, 27141), (7055, 23871), (7957, 21165), (9047, 18615), (9265, 18177)]