81371829

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2689}}^1$

素因数の和:2841

約数の個数: 32

約数和(自身を含む): 136350720

約数和(自身を除く): 54978891

約数列:

[1, 3, 7, 11, 21, 33, 77, 131, 231, 393, 917, 1441, 2689, 2751, 4323, 8067, 10087, 18823, 29579, 30261, 56469, 88737, 207053, 352259, 621159, 1056777, 2465813, 3874849, 7397439, 11624547, 27123943, 81371829]

約数ペア:

[(1, 81371829), (3, 27123943), (7, 11624547), (11, 7397439), (21, 3874849), (33, 2465813), (77, 1056777), (131, 621159), (231, 352259), (393, 207053), (917, 88737), (1441, 56469), (2689, 30261), (2751, 29579), (4323, 18823), (8067, 10087)]