129473279

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 148460592

約数和(自身を除く): 18987313

約数列:

[1, 13, 23, 67, 281, 299, 529, 871, 1541, 3653, 6463, 6877, 18827, 20033, 35443, 84019, 148649, 244751, 433021, 460759, 1932437, 5629273, 9959483, 129473279]

約数ペア:

[(1, 129473279), (13, 9959483), (23, 5629273), (67, 1932437), (281, 460759), (299, 433021), (529, 244751), (871, 148649), (1541, 84019), (3653, 35443), (6463, 20033), (6877, 18827)]