289194921

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 434649600

約数和(自身を除く): 145454679

約数列:

[1, 3, 9, 27, 139, 251, 307, 417, 753, 921, 1251, 2259, 2763, 3753, 6777, 8289, 34889, 42673, 77057, 104667, 128019, 231171, 314001, 384057, 693513, 942003, 1152171, 2080539, 10710923, 32132769, 96398307, 289194921]

約数ペア:

[(1, 289194921), (3, 96398307), (9, 32132769), (27, 10710923), (139, 2080539), (251, 1152171), (307, 942003), (417, 693513), (753, 384057), (921, 314001), (1251, 231171), (2259, 128019), (2763, 104667), (3753, 77057), (6777, 42673), (8289, 34889)]