209538902013

素因数分解:

$3^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{21366259}}^1$

素因数の和:21366736

約数の個数: 16

約数和(自身を含む): 319981109760

約数和(自身を除く): 110442207747

約数列:

[1, 3, 7, 21, 467, 1401, 3269, 9807, 21366259, 64098777, 149563813, 448691439, 9978042953, 29934128859, 69846300671, 209538902013]

約数ペア:

[(1, 209538902013), (3, 69846300671), (7, 29934128859), (21, 9978042953), (467, 448691439), (1401, 149563813), (3269, 64098777), (9807, 21366259)]