80528637

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{347}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 126415872

約数和(自身を除く): 45887235

約数列:

[1, 3, 7, 21, 43, 129, 257, 301, 347, 771, 903, 1041, 1799, 2429, 5397, 7287, 11051, 14921, 33153, 44763, 77357, 89179, 104447, 232071, 267537, 313341, 624253, 1872759, 3834697, 11504091, 26842879, 80528637]

約数ペア:

[(1, 80528637), (3, 26842879), (7, 11504091), (21, 3834697), (43, 1872759), (129, 624253), (257, 313341), (301, 267537), (347, 232071), (771, 104447), (903, 89179), (1041, 77357), (1799, 44763), (2429, 33153), (5397, 14921), (7287, 11051)]