1999956315

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{1123}}^1\times {\mathrm{2423}}^1$

素因数の和:3568

約数の個数: 48

約数和(自身を含む): 3727219968

約数和(自身を除く): 1727263653

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 1123, 2423, 3369, 5615, 7269, 7861, 12115, 16845, 16961, 23583, 36345, 39305, 50883, 55027, 84805, 117915, 118727, 165081, 254415, 275135, 356181, 593635, 825405, 1780905, 2721029, 8163087, 13605145, 19047203, 40815435, 57141609, 95236015, 133330421, 285708045, 399991263, 666652105, 1999956315]

約数ペア:

[(1, 1999956315), (3, 666652105), (5, 399991263), (7, 285708045), (15, 133330421), (21, 95236015), (35, 57141609), (49, 40815435), (105, 19047203), (147, 13605145), (245, 8163087), (735, 2721029), (1123, 1780905), (2423, 825405), (3369, 593635), (5615, 356181), (7269, 275135), (7861, 254415), (12115, 165081), (16845, 118727), (16961, 117915), (23583, 84805), (36345, 55027), (39305, 50883)]