213113187

素因数分解:

$3^5\times 7^1\times {\mathrm{125287}}^1$

素因数の和:125309

約数の個数: 24

約数和(自身を含む): 364838656

約数和(自身を除く): 151725469

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 125287, 375861, 877009, 1127583, 2631027, 3382749, 7893081, 10148247, 23679243, 30444741, 71037729, 213113187]

約数ペア:

[(1, 213113187), (3, 71037729), (7, 30444741), (9, 23679243), (21, 10148247), (27, 7893081), (63, 3382749), (81, 2631027), (189, 1127583), (243, 877009), (567, 375861), (1701, 125287)]