69721509

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{491}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 109767168

約数和(自身を除く): 40045659

約数列:

[1, 3, 11, 13, 33, 39, 143, 331, 429, 491, 993, 1473, 3641, 4303, 5401, 6383, 10923, 12909, 16203, 19149, 47333, 70213, 141999, 162521, 210639, 487563, 1787731, 2112773, 5363193, 6338319, 23240503, 69721509]

約数ペア:

[(1, 69721509), (3, 23240503), (11, 6338319), (13, 5363193), (33, 2112773), (39, 1787731), (143, 487563), (331, 210639), (429, 162521), (491, 141999), (993, 70213), (1473, 47333), (3641, 19149), (4303, 16203), (5401, 12909), (6383, 10923)]