201720195

素因数分解:

$3^2\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{4217}}^1$

素因数の和:5291

約数の個数: 24

約数和(自身を含む): 350060256

約数和(自身を除く): 148340061

約数列:

[1, 3, 5, 9, 15, 45, 1063, 3189, 4217, 5315, 9567, 12651, 15945, 21085, 37953, 47835, 63255, 189765, 4482671, 13448013, 22413355, 40344039, 67240065, 201720195]

約数ペア:

[(1, 201720195), (3, 67240065), (5, 40344039), (9, 22413355), (15, 13448013), (45, 4482671), (1063, 189765), (3189, 63255), (4217, 47835), (5315, 37953), (9567, 21085), (12651, 15945)]