80392905

素因数分解:

$3^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 145926144

約数和(自身を除く): 65533239

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 127, 135, 243, 381, 405, 521, 635, 1143, 1215, 1563, 1905, 2605, 3429, 4689, 5715, 7815, 10287, 14067, 17145, 23445, 30861, 42201, 51435, 66167, 70335, 126603, 154305, 198501, 211005, 330835, 595503, 633015, 992505, 1786509, 2977515, 5359527, 8932545, 16078581, 26797635, 80392905]

約数ペア:

[(1, 80392905), (3, 26797635), (5, 16078581), (9, 8932545), (15, 5359527), (27, 2977515), (45, 1786509), (81, 992505), (127, 633015), (135, 595503), (243, 330835), (381, 211005), (405, 198501), (521, 154305), (635, 126603), (1143, 70335), (1215, 66167), (1563, 51435), (1905, 42201), (2605, 30861), (3429, 23445), (4689, 17145), (5715, 14067), (7815, 10287)]