1285290423

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2803}}^1$

素因数の和:2875

約数の個数: 56

約数和(自身を含む): 2096304048

約数和(自身を除く): 811013625

約数列:

[1, 3, 9, 17, 27, 37, 51, 81, 111, 153, 243, 333, 459, 629, 729, 999, 1377, 1887, 2803, 2997, 4131, 5661, 8409, 8991, 12393, 16983, 25227, 26973, 47651, 50949, 75681, 103711, 142953, 152847, 227043, 311133, 428859, 458541, 681129, 933399, 1286577, 1763087, 2043387, 2800197, 3859731, 5289261, 8400591, 11579193, 15867783, 25201773, 34737579, 47603349, 75605319, 142810047, 428430141, 1285290423]

約数ペア:

[(1, 1285290423), (3, 428430141), (9, 142810047), (17, 75605319), (27, 47603349), (37, 34737579), (51, 25201773), (81, 15867783), (111, 11579193), (153, 8400591), (243, 5289261), (333, 3859731), (459, 2800197), (629, 2043387), (729, 1763087), (999, 1286577), (1377, 933399), (1887, 681129), (2803, 458541), (2997, 428859), (4131, 311133), (5661, 227043), (8409, 152847), (8991, 142953), (12393, 103711), (16983, 75681), (25227, 50949), (26973, 47651)]