2978955

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{193}}^1$

素因数の和:225

約数の個数: 48

約数和(自身を含む): 6052800

約数和(自身を除く): 3073845

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 193, 245, 315, 343, 441, 579, 735, 965, 1029, 1351, 1715, 1737, 2205, 2895, 3087, 4053, 5145, 6755, 8685, 9457, 12159, 15435, 20265, 28371, 47285, 60795, 66199, 85113, 141855, 198597, 330995, 425565, 595791, 992985, 2978955]

約数ペア:

[(1, 2978955), (3, 992985), (5, 595791), (7, 425565), (9, 330995), (15, 198597), (21, 141855), (35, 85113), (45, 66199), (49, 60795), (63, 47285), (105, 28371), (147, 20265), (193, 15435), (245, 12159), (315, 9457), (343, 8685), (441, 6755), (579, 5145), (735, 4053), (965, 3087), (1029, 2895), (1351, 2205), (1715, 1737)]