80878329

素因数分解:

$3^2\times 7^1\times {\mathrm{467}}^1\times {\mathrm{2749}}^1$

素因数の和:3229

約数の個数: 24

約数和(自身を含む): 133848000

約数和(自身を除く): 52969671

約数列:

[1, 3, 7, 9, 21, 63, 467, 1401, 2749, 3269, 4203, 8247, 9807, 19243, 24741, 29421, 57729, 173187, 1283783, 3851349, 8986481, 11554047, 26959443, 80878329]

約数ペア:

[(1, 80878329), (3, 26959443), (7, 11554047), (9, 8986481), (21, 3851349), (63, 1283783), (467, 173187), (1401, 57729), (2749, 29421), (3269, 24741), (4203, 19243), (8247, 9807)]