12987963

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{503}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 19918080

約数和(自身を除く): 6930117

約数列:

[1, 3, 9, 19, 57, 151, 171, 453, 503, 1359, 1509, 2869, 4527, 8607, 9557, 25821, 28671, 75953, 86013, 227859, 683577, 1443107, 4329321, 12987963]

約数ペア:

[(1, 12987963), (3, 4329321), (9, 1443107), (19, 683577), (57, 227859), (151, 86013), (171, 75953), (453, 28671), (503, 25821), (1359, 9557), (1509, 8607), (2869, 4527)]