31149759

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 14469441

約数列:

[1, 3, 19, 43, 57, 71, 129, 179, 213, 537, 817, 1349, 2451, 3053, 3401, 4047, 7697, 9159, 10203, 12709, 23091, 38127, 58007, 146243, 174021, 241471, 438729, 546487, 724413, 1639461, 10383253, 31149759]

約数ペア:

[(1, 31149759), (3, 10383253), (19, 1639461), (43, 724413), (57, 546487), (71, 438729), (129, 241471), (179, 174021), (213, 146243), (537, 58007), (817, 38127), (1349, 23091), (2451, 12709), (3053, 10203), (3401, 9159), (4047, 7697)]