16739457

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 26357760

約数和(自身を除く): 9618303

約数列:

[1, 3, 7, 21, 71, 103, 109, 213, 309, 327, 497, 721, 763, 1491, 2163, 2289, 7313, 7739, 11227, 21939, 23217, 33681, 51191, 54173, 78589, 153573, 162519, 235767, 797117, 2391351, 5579819, 16739457]

約数ペア:

[(1, 16739457), (3, 5579819), (7, 2391351), (21, 797117), (71, 235767), (103, 162519), (109, 153573), (213, 78589), (309, 54173), (327, 51191), (497, 33681), (721, 23217), (763, 21939), (1491, 11227), (2163, 7739), (2289, 7313)]