2021302431

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{67}}^2\times {\mathrm{109}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 3284321040

約数和(自身を除く): 1263018609

約数列:

[1, 3, 9, 17, 27, 51, 67, 81, 109, 153, 201, 243, 327, 459, 603, 981, 1139, 1377, 1809, 1853, 2943, 3417, 4131, 4489, 5427, 5559, 7303, 8829, 10251, 13467, 16281, 16677, 21909, 26487, 30753, 40401, 50031, 65727, 76313, 92259, 121203, 124151, 150093, 197181, 228939, 276777, 363609, 372453, 450279, 489301, 591543, 686817, 1090827, 1117359, 1467903, 1774629, 2060451, 3352077, 4403709, 6181353, 8318117, 10056231, 13211127, 18544059, 24954351, 30168693, 39633381, 74863053, 118900143, 224589159, 673767477, 2021302431]

約数ペア:

[(1, 2021302431), (3, 673767477), (9, 224589159), (17, 118900143), (27, 74863053), (51, 39633381), (67, 30168693), (81, 24954351), (109, 18544059), (153, 13211127), (201, 10056231), (243, 8318117), (327, 6181353), (459, 4403709), (603, 3352077), (981, 2060451), (1139, 1774629), (1377, 1467903), (1809, 1117359), (1853, 1090827), (2943, 686817), (3417, 591543), (4131, 489301), (4489, 450279), (5427, 372453), (5559, 363609), (7303, 276777), (8829, 228939), (10251, 197181), (13467, 150093), (16281, 124151), (16677, 121203), (21909, 92259), (26487, 76313), (30753, 65727), (40401, 50031)]