420662007

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{12421}}^1$

素因数の和:12551

約数の個数: 24

約数和(自身を含む): 627857568

約数和(自身を除く): 207195561

約数列:

[1, 3, 9, 53, 71, 159, 213, 477, 639, 3763, 11289, 12421, 33867, 37263, 111789, 658313, 881891, 1974939, 2645673, 5924817, 7937019, 46740223, 140220669, 420662007]

約数ペア:

[(1, 420662007), (3, 140220669), (9, 46740223), (53, 7937019), (71, 5924817), (159, 2645673), (213, 1974939), (477, 881891), (639, 658313), (3763, 111789), (11289, 37263), (12421, 33867)]