1489403979

素因数分解:

$3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{89891}}^1$

素因数の和:90167

約数の個数: 24

約数和(自身を含む): 2468074752

約数和(自身を除く): 978670773

約数列:

[1, 3, 7, 9, 21, 63, 263, 789, 1841, 2367, 5523, 16569, 89891, 269673, 629237, 809019, 1887711, 5663133, 23641333, 70923999, 165489331, 212771997, 496467993, 1489403979]

約数ペア:

[(1, 1489403979), (3, 496467993), (7, 212771997), (9, 165489331), (21, 70923999), (63, 23641333), (263, 5663133), (789, 1887711), (1841, 809019), (2367, 629237), (5523, 269673), (16569, 89891)]