16945929

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:73

約数の個数: 120

約数和(自身を含む): 36048320

約数和(自身を除く): 19102391

約数列:

[1, 3, 7, 9, 11, 13, 19, 21, 27, 33, 39, 57, 63, 77, 81, 91, 99, 117, 121, 133, 143, 171, 189, 209, 231, 247, 273, 297, 351, 363, 399, 429, 513, 567, 627, 693, 741, 819, 847, 891, 1001, 1053, 1089, 1197, 1287, 1463, 1539, 1573, 1729, 1881, 2079, 2223, 2299, 2457, 2541, 2717, 3003, 3267, 3591, 3861, 4389, 4719, 5187, 5643, 6237, 6669, 6897, 7371, 7623, 8151, 9009, 9801, 10773, 11011, 11583, 13167, 14157, 15561, 16093, 16929, 19019, 20007, 20691, 22869, 24453, 27027, 29887, 33033, 39501, 42471, 46683, 48279, 57057, 62073, 68607, 73359, 81081, 89661, 99099, 118503, 127413, 140049, 144837, 171171, 186219, 209209, 220077, 268983, 297297, 434511, 513513, 627627, 806949, 891891, 1303533, 1540539, 1882881, 2420847, 5648643, 16945929]

約数ペア:

[(1, 16945929), (3, 5648643), (7, 2420847), (9, 1882881), (11, 1540539), (13, 1303533), (19, 891891), (21, 806949), (27, 627627), (33, 513513), (39, 434511), (57, 297297), (63, 268983), (77, 220077), (81, 209209), (91, 186219), (99, 171171), (117, 144837), (121, 140049), (133, 127413), (143, 118503), (171, 99099), (189, 89661), (209, 81081), (231, 73359), (247, 68607), (273, 62073), (297, 57057), (351, 48279), (363, 46683), (399, 42471), (429, 39501), (513, 33033), (567, 29887), (627, 27027), (693, 24453), (741, 22869), (819, 20691), (847, 20007), (891, 19019), (1001, 16929), (1053, 16093), (1089, 15561), (1197, 14157), (1287, 13167), (1463, 11583), (1539, 11011), (1573, 10773), (1729, 9801), (1881, 9009), (2079, 8151), (2223, 7623), (2299, 7371), (2457, 6897), (2541, 6669), (2717, 6237), (3003, 5643), (3267, 5187), (3591, 4719), (3861, 4389)]