1320803205

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{1553}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 2222095680

約数和(自身を除く): 901292475

約数列:

[1, 3, 5, 15, 31, 59, 93, 155, 177, 295, 465, 885, 961, 1553, 1829, 2883, 4659, 4805, 5487, 7765, 9145, 14415, 23295, 27435, 48143, 56699, 91627, 144429, 170097, 240715, 274881, 283495, 458135, 722145, 850485, 1374405, 1492433, 2840437, 4477299, 7462165, 8521311, 14202185, 22386495, 42606555, 88053547, 264160641, 440267735, 1320803205]

約数ペア:

[(1, 1320803205), (3, 440267735), (5, 264160641), (15, 88053547), (31, 42606555), (59, 22386495), (93, 14202185), (155, 8521311), (177, 7462165), (295, 4477299), (465, 2840437), (885, 1492433), (961, 1374405), (1553, 850485), (1829, 722145), (2883, 458135), (4659, 283495), (4805, 274881), (5487, 240715), (7765, 170097), (9145, 144429), (14415, 91627), (23295, 56699), (27435, 48143)]