31890987

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{659}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 48734400

約数和(自身を除く): 16843413

約数列:

[1, 3, 9, 19, 57, 171, 283, 659, 849, 1977, 2547, 5377, 5931, 12521, 16131, 37563, 48393, 112689, 186497, 559491, 1678473, 3543443, 10630329, 31890987]

約数ペア:

[(1, 31890987), (3, 10630329), (9, 3543443), (19, 1678473), (57, 559491), (171, 186497), (283, 112689), (659, 48393), (849, 37563), (1977, 16131), (2547, 12521), (5377, 5931)]