27979535

素因数分解:

$5^1\times {\mathrm{17}}^4\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 20

約数和(自身を含む): 36206328

約数和(自身を除く): 8226793

約数列:

[1, 5, 17, 67, 85, 289, 335, 1139, 1445, 4913, 5695, 19363, 24565, 83521, 96815, 329171, 417605, 1645855, 5595907, 27979535]

約数ペア:

[(1, 27979535), (5, 5595907), (17, 1645855), (67, 417605), (85, 329171), (289, 96815), (335, 83521), (1139, 24565), (1445, 19363), (4913, 5695)]