10891209

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 17335296

約数和(自身を除く): 6444087

約数列:

[1, 3, 7, 21, 37, 107, 111, 131, 259, 321, 393, 749, 777, 917, 2247, 2751, 3959, 4847, 11877, 14017, 14541, 27713, 33929, 42051, 83139, 98119, 101787, 294357, 518629, 1555887, 3630403, 10891209]

約数ペア:

[(1, 10891209), (3, 3630403), (7, 1555887), (21, 518629), (37, 294357), (107, 101787), (111, 98119), (131, 83139), (259, 42051), (321, 33929), (393, 27713), (749, 14541), (777, 14017), (917, 11877), (2247, 4847), (2751, 3959)]