390122235

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{55219}}^1$

素因数の和:55387

約数の個数: 24

約数和(自身を含む): 680531280

約数和(自身を除く): 290409045

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 55219, 165657, 276095, 496971, 828285, 2484855, 8669383, 26008149, 43346915, 78024447, 130040745, 390122235]

約数ペア:

[(1, 390122235), (3, 130040745), (5, 78024447), (9, 43346915), (15, 26008149), (45, 8669383), (157, 2484855), (471, 828285), (785, 496971), (1413, 276095), (2355, 165657), (7065, 55219)]