51981345

素因数分解:

$3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1097}}^1$

素因数の和:1133

約数の個数: 56

約数和(自身を含む): 100809576

約数和(自身を除く): 48828231

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 729, 1053, 1097, 1215, 1755, 3159, 3291, 3645, 5265, 5485, 9477, 9873, 14261, 15795, 16455, 29619, 42783, 47385, 49365, 71305, 88857, 128349, 148095, 213915, 266571, 385047, 444285, 641745, 799713, 1155141, 1332855, 1925235, 3465423, 3998565, 5775705, 10396269, 17327115, 51981345]

約数ペア:

[(1, 51981345), (3, 17327115), (5, 10396269), (9, 5775705), (13, 3998565), (15, 3465423), (27, 1925235), (39, 1332855), (45, 1155141), (65, 799713), (81, 641745), (117, 444285), (135, 385047), (195, 266571), (243, 213915), (351, 148095), (405, 128349), (585, 88857), (729, 71305), (1053, 49365), (1097, 47385), (1215, 42783), (1755, 29619), (3159, 16455), (3291, 15795), (3645, 14261), (5265, 9873), (5485, 9477)]