1990258275

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{223}}^1\times {\mathrm{937}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 3334897664

約数和(自身を除く): 1344639389

約数列:

[1, 3, 5, 15, 25, 75, 127, 223, 381, 635, 669, 937, 1115, 1905, 2811, 3175, 3345, 4685, 5575, 9525, 14055, 16725, 23425, 28321, 70275, 84963, 118999, 141605, 208951, 356997, 424815, 594995, 626853, 708025, 1044755, 1784985, 2124075, 2974975, 3134265, 5223775, 8924925, 15671325, 26536777, 79610331, 132683885, 398051655, 663419425, 1990258275]

約数ペア:

[(1, 1990258275), (3, 663419425), (5, 398051655), (15, 132683885), (25, 79610331), (75, 26536777), (127, 15671325), (223, 8924925), (381, 5223775), (635, 3134265), (669, 2974975), (937, 2124075), (1115, 1784985), (1905, 1044755), (2811, 708025), (3175, 626853), (3345, 594995), (4685, 424815), (5575, 356997), (9525, 208951), (14055, 141605), (16725, 118999), (23425, 84963), (28321, 70275)]