212215959

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{30269}}^1$

素因数の和:30335

約数の個数: 24

約数和(自身を含む): 330548400

約数和(自身を除く): 118332441

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 7011, 30269, 90807, 272421, 575111, 1241029, 1725333, 3723087, 5175999, 11169261, 23579551, 70738653, 212215959]

約数ペア:

[(1, 212215959), (3, 70738653), (9, 23579551), (19, 11169261), (41, 5175999), (57, 3723087), (123, 1725333), (171, 1241029), (369, 575111), (779, 272421), (2337, 90807), (7011, 30269)]