56091591

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{991}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 85629440

約数和(自身を除く): 29537849

約数列:

[1, 3, 9, 19, 57, 171, 331, 991, 993, 2973, 2979, 6289, 8919, 18829, 18867, 56487, 56601, 169461, 328021, 984063, 2952189, 6232399, 18697197, 56091591]

約数ペア:

[(1, 56091591), (3, 18697197), (9, 6232399), (19, 2952189), (57, 984063), (171, 328021), (331, 169461), (991, 56601), (993, 56487), (2973, 18867), (2979, 18829), (6289, 8919)]