196917885

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{773}}^1$

素因数の和:844

約数の個数: 80

約数和(自身を含む): 384356016

約数和(自身を除く): 187438131

約数列:

[1, 3, 5, 9, 15, 17, 27, 37, 45, 51, 81, 85, 111, 135, 153, 185, 255, 333, 405, 459, 555, 629, 765, 773, 999, 1377, 1665, 1887, 2295, 2319, 2997, 3145, 3865, 4995, 5661, 6885, 6957, 9435, 11595, 13141, 14985, 16983, 20871, 28305, 28601, 34785, 39423, 50949, 62613, 65705, 84915, 85803, 104355, 118269, 143005, 197115, 254745, 257409, 313065, 354807, 429015, 486217, 591345, 772227, 1064421, 1287045, 1458651, 1774035, 2316681, 2431085, 3861135, 4375953, 5322105, 7293255, 11583405, 13127859, 21879765, 39383577, 65639295, 196917885]

約数ペア:

[(1, 196917885), (3, 65639295), (5, 39383577), (9, 21879765), (15, 13127859), (17, 11583405), (27, 7293255), (37, 5322105), (45, 4375953), (51, 3861135), (81, 2431085), (85, 2316681), (111, 1774035), (135, 1458651), (153, 1287045), (185, 1064421), (255, 772227), (333, 591345), (405, 486217), (459, 429015), (555, 354807), (629, 313065), (765, 257409), (773, 254745), (999, 197115), (1377, 143005), (1665, 118269), (1887, 104355), (2295, 85803), (2319, 84915), (2997, 65705), (3145, 62613), (3865, 50949), (4995, 39423), (5661, 34785), (6885, 28601), (6957, 28305), (9435, 20871), (11595, 16983), (13141, 14985)]