71125569

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 117374400

約数和(自身を除く): 46248831

約数列:

[1, 3, 9, 17, 19, 43, 51, 57, 129, 153, 171, 323, 387, 569, 731, 817, 969, 1707, 2193, 2451, 2907, 5121, 6579, 7353, 9673, 10811, 13889, 24467, 29019, 32433, 41667, 73401, 87057, 97299, 125001, 183787, 220203, 415939, 464873, 551361, 1247817, 1394619, 1654083, 3743451, 4183857, 7902841, 23708523, 71125569]

約数ペア:

[(1, 71125569), (3, 23708523), (9, 7902841), (17, 4183857), (19, 3743451), (43, 1654083), (51, 1394619), (57, 1247817), (129, 551361), (153, 464873), (171, 415939), (323, 220203), (387, 183787), (569, 125001), (731, 97299), (817, 87057), (969, 73401), (1707, 41667), (2193, 32433), (2451, 29019), (2907, 24467), (5121, 13889), (6579, 10811), (7353, 9673)]