61288245

素因数分解:

$3^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{691}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 111838272

約数和(自身を除く): 50550027

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 243, 365, 405, 657, 691, 1095, 1215, 1971, 2073, 3285, 3455, 5913, 6219, 9855, 10365, 17739, 18657, 29565, 31095, 50443, 55971, 88695, 93285, 151329, 167913, 252215, 279855, 453987, 756645, 839565, 1361961, 2269935, 4085883, 6809805, 12257649, 20429415, 61288245]

約数ペア:

[(1, 61288245), (3, 20429415), (5, 12257649), (9, 6809805), (15, 4085883), (27, 2269935), (45, 1361961), (73, 839565), (81, 756645), (135, 453987), (219, 279855), (243, 252215), (365, 167913), (405, 151329), (657, 93285), (691, 88695), (1095, 55971), (1215, 50443), (1971, 31095), (2073, 29565), (3285, 18657), (3455, 17739), (5913, 10365), (6219, 9855)]