39967473

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{521}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 65947392

約数和(自身を除く): 25979919

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 281, 521, 843, 1563, 1967, 3647, 3653, 5901, 6773, 10941, 10959, 20319, 25571, 47411, 76713, 142233, 146401, 439203, 1024807, 1903213, 3074421, 5709639, 13322491, 39967473]

約数ペア:

[(1, 39967473), (3, 13322491), (7, 5709639), (13, 3074421), (21, 1903213), (39, 1024807), (91, 439203), (273, 146401), (281, 142233), (521, 76713), (843, 47411), (1563, 25571), (1967, 20319), (3647, 10959), (3653, 10941), (5901, 6773)]