16986489

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 26369280

約数和(自身を除く): 9382791

約数列:

[1, 3, 13, 23, 29, 39, 69, 87, 299, 377, 653, 667, 897, 1131, 1959, 2001, 8489, 8671, 15019, 18937, 25467, 26013, 45057, 56811, 195247, 246181, 435551, 585741, 738543, 1306653, 5662163, 16986489]

約数ペア:

[(1, 16986489), (3, 5662163), (13, 1306653), (23, 738543), (29, 585741), (39, 435551), (69, 246181), (87, 195247), (299, 56811), (377, 45057), (653, 26013), (667, 25467), (897, 18937), (1131, 15019), (1959, 8671), (2001, 8489)]