7805187

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 12810560

約数和(自身を除く): 5005373

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 601, 999, 1443, 1803, 4329, 5409, 7813, 12987, 16227, 22237, 23439, 66711, 70317, 200133, 210951, 289081, 600399, 867243, 2601729, 7805187]

約数ペア:

[(1, 7805187), (3, 2601729), (9, 867243), (13, 600399), (27, 289081), (37, 210951), (39, 200133), (111, 70317), (117, 66711), (333, 23439), (351, 22237), (481, 16227), (601, 12987), (999, 7813), (1443, 5409), (1803, 4329)]