191221185

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{44111}}^1$

素因数の和:44153

約数の個数: 24

約数和(自身を含む): 325017216

約数和(自身を除く): 133796031

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 44111, 132333, 220555, 661665, 749887, 2249661, 3749435, 11248305, 12748079, 38244237, 63740395, 191221185]

約数ペア:

[(1, 191221185), (3, 63740395), (5, 38244237), (15, 12748079), (17, 11248305), (51, 3749435), (85, 2249661), (255, 749887), (289, 661665), (867, 220555), (1445, 132333), (4335, 44111)]