668996812815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1\times {\mathrm{2647343}}^1$

素因数の和:2648359

約数の個数: 32

約数和(自身を含む): 1134503387136

約数和(自身を除く): 465506574321

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 991, 2973, 4955, 14865, 16847, 50541, 84235, 252705, 2647343, 7942029, 13236715, 39710145, 45004831, 135014493, 225024155, 675072465, 2623516913, 7870550739, 13117584565, 39352753695, 44599787521, 133799362563, 222998937605, 668996812815]

約数ペア:

[(1, 668996812815), (3, 222998937605), (5, 133799362563), (15, 44599787521), (17, 39352753695), (51, 13117584565), (85, 7870550739), (255, 2623516913), (991, 675072465), (2973, 225024155), (4955, 135014493), (14865, 45004831), (16847, 39710145), (50541, 13236715), (84235, 7942029), (252705, 2647343)]