15639885

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 60

約数和(自身を含む): 29709372

約数和(自身を除く): 14069487

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 73, 81, 115, 135, 207, 219, 345, 365, 405, 529, 621, 657, 1035, 1095, 1587, 1679, 1863, 1971, 2645, 3105, 3285, 4761, 5037, 5913, 7935, 8395, 9315, 9855, 14283, 15111, 23805, 25185, 29565, 38617, 42849, 45333, 71415, 75555, 115851, 135999, 193085, 214245, 226665, 347553, 579255, 679995, 1042659, 1737765, 3127977, 5213295, 15639885]

約数ペア:

[(1, 15639885), (3, 5213295), (5, 3127977), (9, 1737765), (15, 1042659), (23, 679995), (27, 579255), (45, 347553), (69, 226665), (73, 214245), (81, 193085), (115, 135999), (135, 115851), (207, 75555), (219, 71415), (345, 45333), (365, 42849), (405, 38617), (529, 29565), (621, 25185), (657, 23805), (1035, 15111), (1095, 14283), (1587, 9855), (1679, 9315), (1863, 8395), (1971, 7935), (2645, 5913), (3105, 5037), (3285, 4761)]