31243065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1997}}^1$

素因数の和:2161

約数の個数: 32

約数和(自身を含む): 57542400

約数和(自身を除く): 26299335

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 447, 745, 1043, 1997, 2235, 3129, 5215, 5991, 9985, 13979, 15645, 29955, 41937, 69895, 209685, 297553, 892659, 1487765, 2082871, 4463295, 6248613, 10414355, 31243065]

約数ペア:

[(1, 31243065), (3, 10414355), (5, 6248613), (7, 4463295), (15, 2082871), (21, 1487765), (35, 892659), (105, 297553), (149, 209685), (447, 69895), (745, 41937), (1043, 29955), (1997, 15645), (2235, 13979), (3129, 9985), (5215, 5991)]