215259201

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{56543}}^1$

素因数の和:56602

約数の個数: 20

約数和(自身を含む): 328407552

約数和(自身を除く): 113148351

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 56543, 169629, 508887, 1526661, 2657521, 4579983, 7972563, 23917689, 71753067, 215259201]

約数ペア:

[(1, 215259201), (3, 71753067), (9, 23917689), (27, 7972563), (47, 4579983), (81, 2657521), (141, 1526661), (423, 508887), (1269, 169629), (3807, 56543)]