624018525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{640019}}^1$

素因数の和:640045

約数の個数: 24

約数和(自身を含む): 1111074720

約数和(自身を除く): 487056195

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 640019, 1920057, 3200095, 8320247, 9600285, 16000475, 24960741, 41601235, 48001425, 124803705, 208006175, 624018525]

約数ペア:

[(1, 624018525), (3, 208006175), (5, 124803705), (13, 48001425), (15, 41601235), (25, 24960741), (39, 16000475), (65, 9600285), (75, 8320247), (195, 3200095), (325, 1920057), (975, 640019)]