101908989

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 204288000

約数和(自身を除く): 102379011

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 37, 39, 57, 59, 63, 91, 111, 117, 133, 171, 177, 189, 247, 259, 273, 333, 351, 399, 413, 481, 513, 531, 703, 741, 767, 777, 819, 999, 1121, 1197, 1239, 1443, 1593, 1729, 2109, 2183, 2223, 2301, 2331, 2457, 3363, 3367, 3591, 3717, 4329, 4921, 5187, 5369, 6327, 6549, 6669, 6903, 6993, 7847, 9139, 10089, 10101, 11151, 12987, 14573, 14763, 15281, 15561, 16107, 18981, 19647, 20709, 23541, 27417, 28379, 30267, 30303, 41477, 43719, 44289, 45843, 46683, 48321, 58941, 63973, 70623, 82251, 85137, 90909, 102011, 124431, 131157, 132867, 137529, 144963, 191919, 198653, 211869, 246753, 255411, 290339, 306033, 373293, 393471, 412587, 539201, 575757, 595959, 766233, 871017, 918099, 1119879, 1617603, 1727271, 1787877, 2613051, 2754297, 3774407, 4852809, 5363631, 7839153, 11323221, 14558427, 33969663, 101908989]

約数ペア:

[(1, 101908989), (3, 33969663), (7, 14558427), (9, 11323221), (13, 7839153), (19, 5363631), (21, 4852809), (27, 3774407), (37, 2754297), (39, 2613051), (57, 1787877), (59, 1727271), (63, 1617603), (91, 1119879), (111, 918099), (117, 871017), (133, 766233), (171, 595959), (177, 575757), (189, 539201), (247, 412587), (259, 393471), (273, 373293), (333, 306033), (351, 290339), (399, 255411), (413, 246753), (481, 211869), (513, 198653), (531, 191919), (703, 144963), (741, 137529), (767, 132867), (777, 131157), (819, 124431), (999, 102011), (1121, 90909), (1197, 85137), (1239, 82251), (1443, 70623), (1593, 63973), (1729, 58941), (2109, 48321), (2183, 46683), (2223, 45843), (2301, 44289), (2331, 43719), (2457, 41477), (3363, 30303), (3367, 30267), (3591, 28379), (3717, 27417), (4329, 23541), (4921, 20709), (5187, 19647), (5369, 18981), (6327, 16107), (6549, 15561), (6669, 15281), (6903, 14763), (6993, 14573), (7847, 12987), (9139, 11151), (10089, 10101)]