4027779

素因数分解:

$3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 6919680

約数和(自身を除く): 2891901

約数列:

[1, 3, 7, 9, 21, 27, 63, 101, 189, 211, 303, 633, 707, 909, 1477, 1899, 2121, 2727, 4431, 5697, 6363, 13293, 19089, 21311, 39879, 63933, 149177, 191799, 447531, 575397, 1342593, 4027779]

約数ペア:

[(1, 4027779), (3, 1342593), (7, 575397), (9, 447531), (21, 191799), (27, 149177), (63, 63933), (101, 39879), (189, 21311), (211, 19089), (303, 13293), (633, 6363), (707, 5697), (909, 4431), (1477, 2727), (1899, 2121)]