81990792

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9733}}^1$

素因数の和:9764

約数の個数: 80

約数和(自身を含む): 247340940

約数和(自身を除く): 165350148

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424, 9733, 19466, 29199, 38932, 58398, 77864, 87597, 116796, 126529, 175194, 233592, 253058, 262791, 350388, 379587, 506116, 525582, 700776, 759174, 788373, 1012232, 1051164, 1138761, 1518348, 1576746, 2102328, 2277522, 3036696, 3153492, 3416283, 4555044, 6306984, 6832566, 9110088, 10248849, 13665132, 20497698, 27330264, 40995396, 81990792]

約数ペア:

[(1, 81990792), (2, 40995396), (3, 27330264), (4, 20497698), (6, 13665132), (8, 10248849), (9, 9110088), (12, 6832566), (13, 6306984), (18, 4555044), (24, 3416283), (26, 3153492), (27, 3036696), (36, 2277522), (39, 2102328), (52, 1576746), (54, 1518348), (72, 1138761), (78, 1051164), (81, 1012232), (104, 788373), (108, 759174), (117, 700776), (156, 525582), (162, 506116), (216, 379587), (234, 350388), (312, 262791), (324, 253058), (351, 233592), (468, 175194), (648, 126529), (702, 116796), (936, 87597), (1053, 77864), (1404, 58398), (2106, 38932), (2808, 29199), (4212, 19466), (8424, 9733)]