261004821

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23059}}^1$

素因数の和:23094

約数の個数: 32

約数和(自身を含む): 442752000

約数和(自身を除く): 181747179

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 343, 539, 1029, 1617, 3773, 11319, 23059, 69177, 161413, 253649, 484239, 760947, 1129891, 1775543, 3389673, 5326629, 7909237, 12428801, 23727711, 37286403, 87001607, 261004821]

約数ペア:

[(1, 261004821), (3, 87001607), (7, 37286403), (11, 23727711), (21, 12428801), (33, 7909237), (49, 5326629), (77, 3389673), (147, 1775543), (231, 1129891), (343, 760947), (539, 484239), (1029, 253649), (1617, 161413), (3773, 69177), (11319, 23059)]