81337315

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^4$

素因数の和:144

約数の個数: 20

約数和(自身を含む): 105485904

約数和(自身を除く): 24148589

約数列:

[1, 5, 23, 29, 115, 145, 667, 841, 3335, 4205, 19343, 24389, 96715, 121945, 560947, 707281, 2804735, 3536405, 16267463, 81337315]

約数ペア:

[(1, 81337315), (5, 16267463), (23, 3536405), (29, 2804735), (115, 707281), (145, 560947), (667, 121945), (841, 96715), (3335, 24389), (4205, 19343)]