2017888971

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{644899}}^1$

素因数の和:645058

約数の個数: 16

約数和(自身を含む): 3095520000

約数和(自身を除く): 1077631029

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 644899, 1934697, 4514293, 13542879, 96089951, 288269853, 672629657, 2017888971]

約数ペア:

[(1, 2017888971), (3, 672629657), (7, 288269853), (21, 96089951), (149, 13542879), (447, 4514293), (1043, 1934697), (3129, 644899)]