219645813

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{3253}}^1$

素因数の和:3644

約数の個数: 16

約数和(自身を含む): 298014336

約数和(自身を除く): 78368523

約数列:

[1, 3, 71, 213, 317, 951, 3253, 9759, 22507, 67521, 230963, 692889, 1031201, 3093603, 73215271, 219645813]

約数ペア:

[(1, 219645813), (3, 73215271), (71, 3093603), (213, 1031201), (317, 692889), (951, 230963), (3253, 67521), (9759, 22507)]