15221205

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 28355184

約数和(自身を除く): 13133979

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 101, 153, 197, 255, 303, 505, 591, 765, 909, 985, 1515, 1717, 1773, 2955, 3349, 4545, 5151, 8585, 8865, 10047, 15453, 16745, 19897, 25755, 30141, 50235, 59691, 77265, 99485, 150705, 179073, 298455, 338249, 895365, 1014747, 1691245, 3044241, 5073735, 15221205]

約数ペア:

[(1, 15221205), (3, 5073735), (5, 3044241), (9, 1691245), (15, 1014747), (17, 895365), (45, 338249), (51, 298455), (85, 179073), (101, 150705), (153, 99485), (197, 77265), (255, 59691), (303, 50235), (505, 30141), (591, 25755), (765, 19897), (909, 16745), (985, 15453), (1515, 10047), (1717, 8865), (1773, 8585), (2955, 5151), (3349, 4545)]