15578055

素因数分解:

$3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{449}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 27864000

約数和(自身を除く): 12285945

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 257, 449, 771, 1285, 1347, 2245, 2313, 3855, 4041, 6735, 6939, 11565, 12123, 20205, 34695, 60615, 115393, 346179, 576965, 1038537, 1730895, 3115611, 5192685, 15578055]

約数ペア:

[(1, 15578055), (3, 5192685), (5, 3115611), (9, 1730895), (15, 1038537), (27, 576965), (45, 346179), (135, 115393), (257, 60615), (449, 34695), (771, 20205), (1285, 12123), (1347, 11565), (2245, 6939), (2313, 6735), (3855, 4041)]