321389505

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1069}}^1$

素因数の和:1231

約数の個数: 64

約数和(自身を含む): 610156800

約数和(自身を除く): 288767295

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 131, 135, 153, 255, 393, 459, 655, 765, 1069, 1179, 1965, 2227, 2295, 3207, 3537, 5345, 5895, 6681, 9621, 11135, 16035, 17685, 18173, 20043, 28863, 33405, 48105, 54519, 60129, 90865, 100215, 140039, 144315, 163557, 272595, 300645, 420117, 490671, 700195, 817785, 1260351, 2100585, 2380663, 2453355, 3781053, 6301755, 7141989, 11903315, 18905265, 21425967, 35709945, 64277901, 107129835, 321389505]

約数ペア:

[(1, 321389505), (3, 107129835), (5, 64277901), (9, 35709945), (15, 21425967), (17, 18905265), (27, 11903315), (45, 7141989), (51, 6301755), (85, 3781053), (131, 2453355), (135, 2380663), (153, 2100585), (255, 1260351), (393, 817785), (459, 700195), (655, 490671), (765, 420117), (1069, 300645), (1179, 272595), (1965, 163557), (2227, 144315), (2295, 140039), (3207, 100215), (3537, 90865), (5345, 60129), (5895, 54519), (6681, 48105), (9621, 33405), (11135, 28863), (16035, 20043), (17685, 18173)]