210740049

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:669

約数の個数: 56

約数和(自身を含む): 350048552

約数和(自身を除く): 139308503

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 243, 333, 351, 481, 601, 729, 999, 1053, 1443, 1803, 2997, 3159, 4329, 5409, 7813, 8991, 9477, 12987, 16227, 22237, 23439, 26973, 38961, 48681, 66711, 70317, 116883, 146043, 200133, 210951, 289081, 350649, 438129, 600399, 632853, 867243, 1801197, 1898559, 2601729, 5403591, 5695677, 7805187, 16210773, 23415561, 70246683, 210740049]

約数ペア:

[(1, 210740049), (3, 70246683), (9, 23415561), (13, 16210773), (27, 7805187), (37, 5695677), (39, 5403591), (81, 2601729), (111, 1898559), (117, 1801197), (243, 867243), (333, 632853), (351, 600399), (481, 438129), (601, 350649), (729, 289081), (999, 210951), (1053, 200133), (1443, 146043), (1803, 116883), (2997, 70317), (3159, 66711), (4329, 48681), (5409, 38961), (7813, 26973), (8991, 23439), (9477, 22237), (12987, 16227)]