54815481

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 98035200

約数和(自身を除く): 43219719

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 73, 87, 137, 189, 203, 219, 261, 411, 511, 609, 657, 783, 959, 1233, 1533, 1827, 1971, 2117, 2877, 3699, 3973, 4599, 5481, 6351, 8631, 10001, 11919, 13797, 14819, 19053, 25893, 27811, 30003, 35757, 44457, 57159, 70007, 83433, 90009, 107271, 133371, 210021, 250299, 270027, 290029, 400113, 630063, 750897, 870087, 1890189, 2030203, 2610261, 6090609, 7830783, 18271827, 54815481]

約数ペア:

[(1, 54815481), (3, 18271827), (7, 7830783), (9, 6090609), (21, 2610261), (27, 2030203), (29, 1890189), (63, 870087), (73, 750897), (87, 630063), (137, 400113), (189, 290029), (203, 270027), (219, 250299), (261, 210021), (411, 133371), (511, 107271), (609, 90009), (657, 83433), (783, 70007), (959, 57159), (1233, 44457), (1533, 35757), (1827, 30003), (1971, 27811), (2117, 25893), (2877, 19053), (3699, 14819), (3973, 13797), (4599, 11919), (5481, 10001), (6351, 8631)]