18375903

素因数分解:

$3^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1$

素因数の和:315

約数の個数: 56

約数和(自身を含む): 34031648

約数和(自身を除く): 15655745

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 277, 351, 567, 729, 819, 831, 1053, 1701, 1939, 2457, 2493, 3159, 3601, 5103, 5817, 7371, 7479, 9477, 10803, 17451, 22113, 22437, 25207, 32409, 52353, 66339, 67311, 75621, 97227, 157059, 201933, 226863, 291681, 471177, 680589, 875043, 1413531, 2041767, 2625129, 6125301, 18375903]

約数ペア:

[(1, 18375903), (3, 6125301), (7, 2625129), (9, 2041767), (13, 1413531), (21, 875043), (27, 680589), (39, 471177), (63, 291681), (81, 226863), (91, 201933), (117, 157059), (189, 97227), (243, 75621), (273, 67311), (277, 66339), (351, 52353), (567, 32409), (729, 25207), (819, 22437), (831, 22113), (1053, 17451), (1701, 10803), (1939, 9477), (2457, 7479), (2493, 7371), (3159, 5817), (3601, 5103)]