17984691

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 29248128

約数和(自身を除く): 11263437

約数列:

[1, 3, 9, 17, 41, 47, 51, 61, 123, 141, 153, 183, 369, 423, 549, 697, 799, 1037, 1927, 2091, 2397, 2501, 2867, 3111, 5781, 6273, 7191, 7503, 8601, 9333, 17343, 22509, 25803, 32759, 42517, 48739, 98277, 117547, 127551, 146217, 294831, 352641, 382653, 438651, 1057923, 1998299, 5994897, 17984691]

約数ペア:

[(1, 17984691), (3, 5994897), (9, 1998299), (17, 1057923), (41, 438651), (47, 382653), (51, 352641), (61, 294831), (123, 146217), (141, 127551), (153, 117547), (183, 98277), (369, 48739), (423, 42517), (549, 32759), (697, 25803), (799, 22509), (1037, 17343), (1927, 9333), (2091, 8601), (2397, 7503), (2501, 7191), (2867, 6273), (3111, 5781)]