16668585

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:309

約数の個数: 56

約数和(自身を含む): 31871880

約数和(自身を除く): 15203295

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 269, 405, 459, 729, 765, 807, 1215, 1345, 1377, 2295, 2421, 3645, 4035, 4131, 4573, 6885, 7263, 12105, 12393, 13719, 20655, 21789, 22865, 36315, 41157, 61965, 65367, 68595, 108945, 123471, 196101, 205785, 326835, 370413, 617355, 980505, 1111239, 1852065, 3333717, 5556195, 16668585]

約数ペア:

[(1, 16668585), (3, 5556195), (5, 3333717), (9, 1852065), (15, 1111239), (17, 980505), (27, 617355), (45, 370413), (51, 326835), (81, 205785), (85, 196101), (135, 123471), (153, 108945), (243, 68595), (255, 65367), (269, 61965), (405, 41157), (459, 36315), (729, 22865), (765, 21789), (807, 20655), (1215, 13719), (1345, 12393), (1377, 12105), (2295, 7263), (2421, 6885), (3645, 4573), (4035, 4131)]