420097575

素因数分解:

$3^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{28433}}^1$

素因数の和:28643

約数の個数: 24

約数和(自身を含む): 698111568

約数和(自身を除く): 278013993

約数列:

[1, 3, 5, 15, 25, 75, 197, 591, 985, 2955, 4925, 14775, 28433, 85299, 142165, 426495, 710825, 2132475, 5601301, 16803903, 28006505, 84019515, 140032525, 420097575]

約数ペア:

[(1, 420097575), (3, 140032525), (5, 84019515), (15, 28006505), (25, 16803903), (75, 5601301), (197, 2132475), (591, 710825), (985, 426495), (2955, 142165), (4925, 85299), (14775, 28433)]