28229145

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 53078400

約数和(自身を除く): 24849255

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 193, 199, 245, 579, 597, 735, 965, 995, 1351, 1393, 2895, 2985, 4053, 4179, 6755, 6965, 9457, 9751, 20265, 20895, 28371, 29253, 38407, 47285, 48755, 115221, 141855, 146265, 192035, 268849, 576105, 806547, 1344245, 1881943, 4032735, 5645829, 9409715, 28229145]

約数ペア:

[(1, 28229145), (3, 9409715), (5, 5645829), (7, 4032735), (15, 1881943), (21, 1344245), (35, 806547), (49, 576105), (105, 268849), (147, 192035), (193, 146265), (199, 141855), (245, 115221), (579, 48755), (597, 47285), (735, 38407), (965, 29253), (995, 28371), (1351, 20895), (1393, 20265), (2895, 9751), (2985, 9457), (4053, 6965), (4179, 6755)]