260598513

素因数分解:

$3^1\times 7^2\times {\mathrm{479}}^1\times {\mathrm{3701}}^1$

素因数の和:4197

約数の個数: 24

約数和(自身を含む): 405146880

約数和(自身を除く): 144548367

約数列:

[1, 3, 7, 21, 49, 147, 479, 1437, 3353, 3701, 10059, 11103, 23471, 25907, 70413, 77721, 181349, 544047, 1772779, 5318337, 12409453, 37228359, 86866171, 260598513]

約数ペア:

[(1, 260598513), (3, 86866171), (7, 37228359), (21, 12409453), (49, 5318337), (147, 1772779), (479, 544047), (1437, 181349), (3353, 77721), (3701, 70413), (10059, 25907), (11103, 23471)]