27681995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 38430720

約数和(自身を除く): 10748725

約数列:

[1, 5, 11, 23, 55, 79, 115, 253, 277, 395, 869, 1265, 1385, 1817, 3047, 4345, 6371, 9085, 15235, 19987, 21883, 31855, 70081, 99935, 109415, 240713, 350405, 503309, 1203565, 2516545, 5536399, 27681995]

約数ペア:

[(1, 27681995), (5, 5536399), (11, 2516545), (23, 1203565), (55, 503309), (79, 350405), (115, 240713), (253, 109415), (277, 99935), (395, 70081), (869, 31855), (1265, 21883), (1385, 19987), (1817, 15235), (3047, 9085), (4345, 6371)]