720199888191

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4477769}}^1$

素因数の和:4477845

約数の個数: 64

約数和(自身を含む): 1306792396800

約数和(自身を除く): 586592508609

約数列:

[1, 3, 7, 9, 21, 23, 27, 37, 63, 69, 111, 161, 189, 207, 259, 333, 483, 621, 777, 851, 999, 1449, 2331, 2553, 4347, 5957, 6993, 7659, 17871, 22977, 53613, 160839, 4477769, 13433307, 31344383, 40299921, 94033149, 102988687, 120899763, 165677453, 282099447, 308966061, 497032359, 720920809, 846298341, 926898183, 1159742171, 1491097077, 2162762427, 2780694549, 3479226513, 3810581419, 4473291231, 6488287281, 10437679539, 11431744257, 19464861843, 26674069933, 31313038617, 34295232771, 80022209799, 102885698313, 240066629397, 720199888191]

約数ペア:

[(1, 720199888191), (3, 240066629397), (7, 102885698313), (9, 80022209799), (21, 34295232771), (23, 31313038617), (27, 26674069933), (37, 19464861843), (63, 11431744257), (69, 10437679539), (111, 6488287281), (161, 4473291231), (189, 3810581419), (207, 3479226513), (259, 2780694549), (333, 2162762427), (483, 1491097077), (621, 1159742171), (777, 926898183), (851, 846298341), (999, 720920809), (1449, 497032359), (2331, 308966061), (2553, 282099447), (4347, 165677453), (5957, 120899763), (6993, 102988687), (7659, 94033149), (17871, 40299921), (22977, 31344383), (53613, 13433307), (160839, 4477769)]