18109497

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 28601344

約数和(自身を除く): 10491847

約数列:

[1, 3, 7, 21, 61, 67, 183, 201, 211, 427, 469, 633, 1281, 1407, 1477, 4087, 4431, 12261, 12871, 14137, 28609, 38613, 42411, 85827, 90097, 98959, 270291, 296877, 862357, 2587071, 6036499, 18109497]

約数ペア:

[(1, 18109497), (3, 6036499), (7, 2587071), (21, 862357), (61, 296877), (67, 270291), (183, 98959), (201, 90097), (211, 85827), (427, 42411), (469, 38613), (633, 28609), (1281, 14137), (1407, 12871), (1477, 12261), (4087, 4431)]