2019975

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1207

約数の個数: 24

約数和(自身を含む): 3487872

約数和(自身を除く): 1467897

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1171, 1725, 3513, 5855, 17565, 26933, 29275, 80799, 87825, 134665, 403995, 673325, 2019975]

約数ペア:

[(1, 2019975), (3, 673325), (5, 403995), (15, 134665), (23, 87825), (25, 80799), (69, 29275), (75, 26933), (115, 17565), (345, 5855), (575, 3513), (1171, 1725)]