331567145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2689}}^1$

素因数の和:2985

約数の個数: 32

約数和(自身を含む): 491688960

約数和(自身を除く): 160121815

約数列:

[1, 5, 7, 13, 35, 65, 91, 271, 455, 1355, 1897, 2689, 3523, 9485, 13445, 17615, 18823, 24661, 34957, 94115, 123305, 174785, 244699, 728719, 1223495, 3643595, 5101033, 9473347, 25505165, 47366735, 66313429, 331567145]

約数ペア:

[(1, 331567145), (5, 66313429), (7, 47366735), (13, 25505165), (35, 9473347), (65, 5101033), (91, 3643595), (271, 1223495), (455, 728719), (1355, 244699), (1897, 174785), (2689, 123305), (3523, 94115), (9485, 34957), (13445, 24661), (17615, 18823)]