8731989

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{983}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 15114240

約数和(自身を除く): 6382251

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 983, 987, 1269, 2949, 2961, 6881, 8847, 8883, 20643, 26541, 46201, 61929, 138603, 185787, 323407, 415809, 970221, 1247427, 2910663, 8731989]

約数ペア:

[(1, 8731989), (3, 2910663), (7, 1247427), (9, 970221), (21, 415809), (27, 323407), (47, 185787), (63, 138603), (141, 61929), (189, 46201), (329, 26541), (423, 20643), (983, 8883), (987, 8847), (1269, 6881), (2949, 2961)]