426786513

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 612779904

約数和(自身を除く): 185993391

約数列:

[1, 3, 17, 51, 107, 197, 321, 397, 591, 1191, 1819, 3349, 5457, 6749, 10047, 20247, 21079, 42479, 63237, 78209, 127437, 234627, 358343, 722143, 1075029, 1329553, 2166429, 3988659, 8368363, 25105089, 142262171, 426786513]

約数ペア:

[(1, 426786513), (3, 142262171), (17, 25105089), (51, 8368363), (107, 3988659), (197, 2166429), (321, 1329553), (397, 1075029), (591, 722143), (1191, 358343), (1819, 234627), (3349, 127437), (5457, 78209), (6749, 63237), (10047, 42479), (20247, 21079)]