728541723

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{21013}}^1$

素因数の和:21163

約数の個数: 32

約数和(自身を含む): 1205026816

約数和(自身を除く): 476485093

約数列:

[1, 3, 7, 13, 21, 39, 91, 127, 273, 381, 889, 1651, 2667, 4953, 11557, 21013, 34671, 63039, 147091, 273169, 441273, 819507, 1912183, 2668651, 5736549, 8005953, 18680557, 34692463, 56041671, 104077389, 242847241, 728541723]

約数ペア:

[(1, 728541723), (3, 242847241), (7, 104077389), (13, 56041671), (21, 34692463), (39, 18680557), (91, 8005953), (127, 5736549), (273, 2668651), (381, 1912183), (889, 819507), (1651, 441273), (2667, 273169), (4953, 147091), (11557, 63039), (21013, 34671)]