1239945

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{241}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 2323200

約数和(自身を除く): 1083255

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 241, 245, 343, 723, 735, 1029, 1205, 1687, 1715, 3615, 5061, 5145, 8435, 11809, 25305, 35427, 59045, 82663, 177135, 247989, 413315, 1239945]

約数ペア:

[(1, 1239945), (3, 413315), (5, 247989), (7, 177135), (15, 82663), (21, 59045), (35, 35427), (49, 25305), (105, 11809), (147, 8435), (241, 5145), (245, 5061), (343, 3615), (723, 1715), (735, 1687), (1029, 1205)]