212866227

素因数分解:

$3^2\times 7^1\times {\mathrm{1049}}^1\times {\mathrm{3221}}^1$

素因数の和:4283

約数の個数: 24

約数和(自身を含む): 351842400

約数和(自身を除く): 138976173

約数列:

[1, 3, 7, 9, 21, 63, 1049, 3147, 3221, 7343, 9441, 9663, 22029, 22547, 28989, 66087, 67641, 202923, 3378829, 10136487, 23651803, 30409461, 70955409, 212866227]

約数ペア:

[(1, 212866227), (3, 70955409), (7, 30409461), (9, 23651803), (21, 10136487), (63, 3378829), (1049, 202923), (3147, 67641), (3221, 66087), (7343, 28989), (9441, 22547), (9663, 22029)]