201720285

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{344821}}^1$

素因数の和:344845

約数の個数: 24

約数和(自身を含む): 376545624

約数和(自身を除く): 174825339

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 344821, 1034463, 1724105, 3103389, 4482673, 5172315, 13448019, 15516945, 22413365, 40344057, 67240095, 201720285]

約数ペア:

[(1, 201720285), (3, 67240095), (5, 40344057), (9, 22413365), (13, 15516945), (15, 13448019), (39, 5172315), (45, 4482673), (65, 3103389), (117, 1724105), (195, 1034463), (585, 344821)]