1285441479

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{61643}}^1$

素因数の和:61987

約数の個数: 24

約数和(自身を含む): 2128444032

約数和(自身を除く): 843002553

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 2317, 2979, 6951, 20853, 61643, 184929, 431501, 554787, 1294503, 3883509, 20403833, 61211499, 142826831, 183634497, 428480493, 1285441479]

約数ペア:

[(1, 1285441479), (3, 428480493), (7, 183634497), (9, 142826831), (21, 61211499), (63, 20403833), (331, 3883509), (993, 1294503), (2317, 554787), (2979, 431501), (6951, 184929), (20853, 61643)]