1949025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2025

約数の個数: 24

約数和(自身を含む): 3472000

約数和(自身を除く): 1522975

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 1999, 5997, 9995, 25987, 29985, 49975, 77961, 129935, 149925, 389805, 649675, 1949025]

約数ペア:

[(1, 1949025), (3, 649675), (5, 389805), (13, 149925), (15, 129935), (25, 77961), (39, 49975), (65, 29985), (75, 25987), (195, 9995), (325, 5997), (975, 1999)]