1917631989

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8971}}^1$

素因数の和:9032

約数の個数: 80

約数和(自身を含む): 3647656320

約数和(自身を除く): 1730024331

約数列:

[1, 3, 7, 9, 13, 21, 27, 29, 39, 63, 81, 87, 91, 117, 189, 203, 261, 273, 351, 377, 567, 609, 783, 819, 1053, 1131, 1827, 2349, 2457, 2639, 3393, 5481, 7371, 7917, 8971, 10179, 16443, 23751, 26913, 30537, 62797, 71253, 80739, 116623, 188391, 213759, 242217, 260159, 349869, 565173, 726651, 780477, 816361, 1049607, 1695519, 1821113, 2341431, 2449083, 3148821, 3382067, 5086557, 5463339, 7024293, 7347249, 9446463, 10146201, 16390017, 21072879, 22041747, 23674469, 30438603, 49170051, 66125241, 71023407, 91315809, 147510153, 213070221, 273947427, 639210663, 1917631989]

約数ペア:

[(1, 1917631989), (3, 639210663), (7, 273947427), (9, 213070221), (13, 147510153), (21, 91315809), (27, 71023407), (29, 66125241), (39, 49170051), (63, 30438603), (81, 23674469), (87, 22041747), (91, 21072879), (117, 16390017), (189, 10146201), (203, 9446463), (261, 7347249), (273, 7024293), (351, 5463339), (377, 5086557), (567, 3382067), (609, 3148821), (783, 2449083), (819, 2341431), (1053, 1821113), (1131, 1695519), (1827, 1049607), (2349, 816361), (2457, 780477), (2639, 726651), (3393, 565173), (5481, 349869), (7371, 260159), (7917, 242217), (8971, 213759), (10179, 188391), (16443, 116623), (23751, 80739), (26913, 71253), (30537, 62797)]