2780451105

素因数分解:

$3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{940931}}^1$

素因数の和:941136

約数の個数: 16

約数和(自身を含む): 4471308864

約数和(自身を除く): 1690857759

約数列:

[1, 3, 5, 15, 197, 591, 985, 2955, 940931, 2822793, 4704655, 14113965, 185363407, 556090221, 926817035, 2780451105]

約数ペア:

[(1, 2780451105), (3, 926817035), (5, 556090221), (15, 185363407), (197, 14113965), (591, 4704655), (985, 2822793), (2955, 940931)]