2875131

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1$

素因数の和:1031

約数の個数: 24

約数和(自身を含む): 4852224

約数和(自身を除く): 1977093

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 971, 987, 2913, 2961, 6797, 8739, 20391, 45637, 61173, 136911, 319459, 410733, 958377, 2875131]

約数ペア:

[(1, 2875131), (3, 958377), (7, 410733), (9, 319459), (21, 136911), (47, 61173), (63, 45637), (141, 20391), (329, 8739), (423, 6797), (971, 2961), (987, 2913)]