1284295905

素因数分解:

$3^4\times 5^1\times {\mathrm{3171101}}^1$

素因数の和:3171118

約数の個数: 20

約数和(自身を含む): 2302220052

約数和(自身を除く): 1017924147

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3171101, 9513303, 15855505, 28539909, 47566515, 85619727, 142699545, 256859181, 428098635, 1284295905]

約数ペア:

[(1, 1284295905), (3, 428098635), (5, 256859181), (9, 142699545), (15, 85619727), (27, 47566515), (45, 28539909), (81, 15855505), (135, 9513303), (405, 3171101)]