51990675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 100337328

約数和(自身を除く): 48346653

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 121, 165, 187, 255, 275, 337, 363, 425, 561, 605, 825, 935, 1011, 1275, 1685, 1815, 2057, 2805, 3025, 3707, 4675, 5055, 5729, 6171, 8425, 9075, 10285, 11121, 14025, 17187, 18535, 25275, 28645, 30855, 40777, 51425, 55605, 63019, 85935, 92675, 122331, 143225, 154275, 189057, 203885, 278025, 315095, 429675, 611655, 693209, 945285, 1019425, 1575475, 2079627, 3058275, 3466045, 4726425, 10398135, 17330225, 51990675]

約数ペア:

[(1, 51990675), (3, 17330225), (5, 10398135), (11, 4726425), (15, 3466045), (17, 3058275), (25, 2079627), (33, 1575475), (51, 1019425), (55, 945285), (75, 693209), (85, 611655), (121, 429675), (165, 315095), (187, 278025), (255, 203885), (275, 189057), (337, 154275), (363, 143225), (425, 122331), (561, 92675), (605, 85935), (825, 63019), (935, 55605), (1011, 51425), (1275, 40777), (1685, 30855), (1815, 28645), (2057, 25275), (2805, 18535), (3025, 17187), (3707, 14025), (4675, 11121), (5055, 10285), (5729, 9075), (6171, 8425)]