54420921

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 87834240

約数和(自身を除く): 33413319

約数列:

[1, 3, 9, 19, 23, 57, 69, 101, 137, 171, 207, 303, 411, 437, 909, 1233, 1311, 1919, 2323, 2603, 3151, 3933, 5757, 6969, 7809, 9453, 13837, 17271, 20907, 23427, 28359, 41511, 44137, 59869, 124533, 132411, 179607, 262903, 318251, 397233, 538821, 788709, 954753, 2366127, 2864259, 6046769, 18140307, 54420921]

約数ペア:

[(1, 54420921), (3, 18140307), (9, 6046769), (19, 2864259), (23, 2366127), (57, 954753), (69, 788709), (101, 538821), (137, 397233), (171, 318251), (207, 262903), (303, 179607), (411, 132411), (437, 124533), (909, 59869), (1233, 44137), (1311, 41511), (1919, 28359), (2323, 23427), (2603, 20907), (3151, 17271), (3933, 13837), (5757, 9453), (6969, 7809)]