81601275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 167989248

約数和(自身を除く): 86387973

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 41, 51, 75, 85, 105, 119, 123, 175, 205, 223, 255, 287, 357, 425, 525, 595, 615, 669, 697, 861, 1025, 1115, 1275, 1435, 1561, 1785, 2091, 2975, 3075, 3345, 3485, 3791, 4305, 4683, 4879, 5575, 7175, 7805, 8925, 9143, 10455, 11373, 14637, 16725, 17425, 18955, 21525, 23415, 24395, 26537, 27429, 39025, 45715, 52275, 56865, 64001, 73185, 79611, 94775, 117075, 121975, 132685, 137145, 155431, 192003, 228575, 284325, 320005, 365925, 398055, 466293, 663425, 685725, 777155, 960015, 1088017, 1600025, 1990275, 2331465, 3264051, 3885775, 4800075, 5440085, 11657325, 16320255, 27200425, 81601275]

約数ペア:

[(1, 81601275), (3, 27200425), (5, 16320255), (7, 11657325), (15, 5440085), (17, 4800075), (21, 3885775), (25, 3264051), (35, 2331465), (41, 1990275), (51, 1600025), (75, 1088017), (85, 960015), (105, 777155), (119, 685725), (123, 663425), (175, 466293), (205, 398055), (223, 365925), (255, 320005), (287, 284325), (357, 228575), (425, 192003), (525, 155431), (595, 137145), (615, 132685), (669, 121975), (697, 117075), (861, 94775), (1025, 79611), (1115, 73185), (1275, 64001), (1435, 56865), (1561, 52275), (1785, 45715), (2091, 39025), (2975, 27429), (3075, 26537), (3345, 24395), (3485, 23415), (3791, 21525), (4305, 18955), (4683, 17425), (4879, 16725), (5575, 14637), (7175, 11373), (7805, 10455), (8925, 9143)]