16217985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{601}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 29820672

約数和(自身を除く): 13602687

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 257, 601, 771, 1285, 1799, 1803, 3005, 3855, 4207, 5397, 8995, 9015, 12621, 21035, 26985, 63105, 154457, 463371, 772285, 1081199, 2316855, 3243597, 5405995, 16217985]

約数ペア:

[(1, 16217985), (3, 5405995), (5, 3243597), (7, 2316855), (15, 1081199), (21, 772285), (35, 463371), (105, 154457), (257, 63105), (601, 26985), (771, 21035), (1285, 12621), (1799, 9015), (1803, 8995), (3005, 5397), (3855, 4207)]