221445279

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1823}}^1$

素因数の和:2252

約数の個数: 32

約数和(自身を含む): 358963200

約数和(自身を除く): 137517921

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 409, 1227, 1823, 3681, 4499, 5469, 11043, 13497, 16407, 20053, 40491, 49221, 60159, 121473, 180477, 541431, 745607, 2236821, 6710463, 8201677, 20131389, 24605031, 73815093, 221445279]

約数ペア:

[(1, 221445279), (3, 73815093), (9, 24605031), (11, 20131389), (27, 8201677), (33, 6710463), (99, 2236821), (297, 745607), (409, 541431), (1227, 180477), (1823, 121473), (3681, 60159), (4499, 49221), (5469, 40491), (11043, 20053), (13497, 16407)]