3319975

素因数分解:

$5^2\times {\mathrm{41}}^2\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 18

約数和(自身を含む): 4273040

約数和(自身を除く): 953065

約数列:

[1, 5, 25, 41, 79, 205, 395, 1025, 1681, 1975, 3239, 8405, 16195, 42025, 80975, 132799, 663995, 3319975]

約数ペア:

[(1, 3319975), (5, 663995), (25, 132799), (41, 80975), (79, 42025), (205, 16195), (395, 8405), (1025, 3239), (1681, 1975)]