15968745

素因数分解:

$3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1$

素因数の和:373

約数の個数: 56

約数和(自身を含む): 31032456

約数和(自身を除く): 15063711

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 337, 351, 405, 585, 729, 1011, 1053, 1215, 1685, 1755, 3033, 3159, 3645, 4381, 5055, 5265, 9099, 9477, 13143, 15165, 15795, 21905, 27297, 39429, 45495, 47385, 65715, 81891, 118287, 136485, 197145, 245673, 354861, 409455, 591435, 1064583, 1228365, 1774305, 3193749, 5322915, 15968745]

約数ペア:

[(1, 15968745), (3, 5322915), (5, 3193749), (9, 1774305), (13, 1228365), (15, 1064583), (27, 591435), (39, 409455), (45, 354861), (65, 245673), (81, 197145), (117, 136485), (135, 118287), (195, 81891), (243, 65715), (337, 47385), (351, 45495), (405, 39429), (585, 27297), (729, 21905), (1011, 15795), (1053, 15165), (1215, 13143), (1685, 9477), (1755, 9099), (3033, 5265), (3159, 5055), (3645, 4381)]