16128255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 31030272

約数和(自身を除く): 14902017

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 73, 103, 143, 165, 195, 219, 309, 365, 429, 515, 715, 803, 949, 1095, 1133, 1339, 1545, 2145, 2409, 2847, 3399, 4015, 4017, 4745, 5665, 6695, 7519, 10439, 12045, 14235, 14729, 16995, 20085, 22557, 31317, 37595, 44187, 52195, 73645, 82709, 97747, 112785, 156585, 220935, 248127, 293241, 413545, 488735, 1075217, 1240635, 1466205, 3225651, 5376085, 16128255]

約数ペア:

[(1, 16128255), (3, 5376085), (5, 3225651), (11, 1466205), (13, 1240635), (15, 1075217), (33, 488735), (39, 413545), (55, 293241), (65, 248127), (73, 220935), (103, 156585), (143, 112785), (165, 97747), (195, 82709), (219, 73645), (309, 52195), (365, 44187), (429, 37595), (515, 31317), (715, 22557), (803, 20085), (949, 16995), (1095, 14729), (1133, 14235), (1339, 12045), (1545, 10439), (2145, 7519), (2409, 6695), (2847, 5665), (3399, 4745), (4015, 4017)]