18105045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{641}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 33281280

約数和(自身を除く): 15176235

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 269, 641, 807, 1345, 1883, 1923, 3205, 4035, 4487, 5649, 9415, 9615, 13461, 22435, 28245, 67305, 172429, 517287, 862145, 1207003, 2586435, 3621009, 6035015, 18105045]

約数ペア:

[(1, 18105045), (3, 6035015), (5, 3621009), (7, 2586435), (15, 1207003), (21, 862145), (35, 517287), (105, 172429), (269, 67305), (641, 28245), (807, 22435), (1345, 13461), (1883, 9615), (1923, 9415), (3205, 5649), (4035, 4487)]