405909855

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{673}}^1\times {\mathrm{1031}}^1$

素因数の和:1728

約数の個数: 48

約数和(自身を含む): 759560256

約数和(自身を除く): 353650401

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 673, 1031, 2019, 3093, 3365, 5155, 6057, 8749, 9279, 10095, 13403, 15465, 26247, 30285, 40209, 43745, 46395, 67015, 78741, 120627, 131235, 201045, 393705, 603135, 693863, 2081589, 3469315, 6244767, 9020219, 10407945, 27060657, 31223835, 45101095, 81181971, 135303285, 405909855]

約数ペア:

[(1, 405909855), (3, 135303285), (5, 81181971), (9, 45101095), (13, 31223835), (15, 27060657), (39, 10407945), (45, 9020219), (65, 6244767), (117, 3469315), (195, 2081589), (585, 693863), (673, 603135), (1031, 393705), (2019, 201045), (3093, 131235), (3365, 120627), (5155, 78741), (6057, 67015), (8749, 46395), (9279, 43745), (10095, 40209), (13403, 30285), (15465, 26247)]