421551189

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{769}}^1$

素因数の和:1114

約数の個数: 32

約数和(自身を含む): 635712000

約数和(自身を除く): 214160811

約数列:

[1, 3, 9, 27, 79, 237, 257, 711, 769, 771, 2133, 2307, 2313, 6921, 6939, 20303, 20763, 60751, 60909, 182253, 182727, 197633, 546759, 548181, 592899, 1640277, 1778697, 5336091, 15613007, 46839021, 140517063, 421551189]

約数ペア:

[(1, 421551189), (3, 140517063), (9, 46839021), (27, 15613007), (79, 5336091), (237, 1778697), (257, 1640277), (711, 592899), (769, 548181), (771, 546759), (2133, 197633), (2307, 182727), (2313, 182253), (6921, 60909), (6939, 60751), (20303, 20763)]