72920991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 120637440

約数和(自身を除く): 47716449

約数列:

[1, 3, 11, 13, 33, 39, 43, 59, 67, 129, 143, 177, 201, 429, 473, 559, 649, 737, 767, 871, 1419, 1677, 1947, 2211, 2301, 2537, 2613, 2881, 3953, 6149, 7611, 8437, 8643, 9581, 11859, 18447, 25311, 27907, 28743, 31691, 32981, 37453, 43483, 51389, 83721, 95073, 98943, 112359, 130449, 154167, 169979, 362791, 411983, 509937, 565279, 1088373, 1235949, 1695837, 1869769, 2209727, 5609307, 6629181, 24306997, 72920991]

約数ペア:

[(1, 72920991), (3, 24306997), (11, 6629181), (13, 5609307), (33, 2209727), (39, 1869769), (43, 1695837), (59, 1235949), (67, 1088373), (129, 565279), (143, 509937), (177, 411983), (201, 362791), (429, 169979), (473, 154167), (559, 130449), (649, 112359), (737, 98943), (767, 95073), (871, 83721), (1419, 51389), (1677, 43483), (1947, 37453), (2211, 32981), (2301, 31691), (2537, 28743), (2613, 27907), (2881, 25311), (3953, 18447), (6149, 11859), (7611, 9581), (8437, 8643)]