15315585

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 25878528

約数和(自身を除く): 10562943

約数列:

[1, 3, 5, 15, 23, 69, 103, 115, 309, 345, 431, 515, 1293, 1545, 2155, 2369, 6465, 7107, 9913, 11845, 29739, 35535, 44393, 49565, 133179, 148695, 221965, 665895, 1021039, 3063117, 5105195, 15315585]

約数ペア:

[(1, 15315585), (3, 5105195), (5, 3063117), (15, 1021039), (23, 665895), (69, 221965), (103, 148695), (115, 133179), (309, 49565), (345, 44393), (431, 35535), (515, 29739), (1293, 11845), (1545, 9913), (2155, 7107), (2369, 6465)]