16868691

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1319}}^1$

素因数の和:1368

約数の個数: 36

約数和(自身を含む): 29343600

約数和(自身を除く): 12474909

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1319, 1421, 1827, 3957, 4263, 9233, 11871, 12789, 27699, 38251, 64631, 83097, 114753, 193893, 267757, 344259, 581679, 803271, 1874299, 2409813, 5622897, 16868691]

約数ペア:

[(1, 16868691), (3, 5622897), (7, 2409813), (9, 1874299), (21, 803271), (29, 581679), (49, 344259), (63, 267757), (87, 193893), (147, 114753), (203, 83097), (261, 64631), (441, 38251), (609, 27699), (1319, 12789), (1421, 11871), (1827, 9233), (3957, 4263)]