213532281

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:763

約数の個数: 40

約数和(自身を含む): 330173184

約数和(自身を除く): 116640903

約数列:

[1, 3, 9, 27, 43, 81, 101, 129, 303, 387, 607, 909, 1161, 1821, 2727, 3483, 4343, 5463, 8181, 13029, 16389, 26101, 39087, 49167, 61307, 78303, 117261, 183921, 234909, 351783, 551763, 704727, 1655289, 2114181, 2636201, 4965867, 7908603, 23725809, 71177427, 213532281]

約数ペア:

[(1, 213532281), (3, 71177427), (9, 23725809), (27, 7908603), (43, 4965867), (81, 2636201), (101, 2114181), (129, 1655289), (303, 704727), (387, 551763), (607, 351783), (909, 234909), (1161, 183921), (1821, 117261), (2727, 78303), (3483, 61307), (4343, 49167), (5463, 39087), (8181, 26101), (13029, 16389)]