16916193

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 29652480

約数和(自身を除く): 12736287

約数列:

[1, 3, 7, 9, 21, 29, 47, 63, 87, 141, 197, 203, 261, 329, 423, 591, 609, 987, 1363, 1379, 1773, 1827, 2961, 4089, 4137, 5713, 9259, 9541, 12267, 12411, 17139, 27777, 28623, 39991, 51417, 64813, 83331, 85869, 119973, 194439, 268511, 359919, 583317, 805533, 1879577, 2416599, 5638731, 16916193]

約数ペア:

[(1, 16916193), (3, 5638731), (7, 2416599), (9, 1879577), (21, 805533), (29, 583317), (47, 359919), (63, 268511), (87, 194439), (141, 119973), (197, 85869), (203, 83331), (261, 64813), (329, 51417), (423, 39991), (591, 28623), (609, 27777), (987, 17139), (1363, 12411), (1379, 12267), (1773, 9541), (1827, 9259), (2961, 5713), (4089, 4137)]