1998634563

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{24977}}^1$

素因数の和:25523

約数の個数: 24

約数和(自身を含む): 3062702448

約数和(自身を除く): 1064067885

約数列:

[1, 3, 9, 17, 51, 153, 523, 1569, 4707, 8891, 24977, 26673, 74931, 80019, 224793, 424609, 1273827, 3821481, 13062971, 39188913, 117566739, 222070507, 666211521, 1998634563]

約数ペア:

[(1, 1998634563), (3, 666211521), (9, 222070507), (17, 117566739), (51, 39188913), (153, 13062971), (523, 3821481), (1569, 1273827), (4707, 424609), (8891, 224793), (24977, 80019), (26673, 74931)]