51220869

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{433}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 80661504

約数和(自身を除く): 29440635

約数列:

[1, 3, 7, 21, 43, 129, 131, 301, 393, 433, 903, 917, 1299, 2751, 3031, 5633, 9093, 16899, 18619, 39431, 55857, 56723, 118293, 130333, 170169, 390999, 397061, 1191183, 2439089, 7317267, 17073623, 51220869]

約数ペア:

[(1, 51220869), (3, 17073623), (7, 7317267), (21, 2439089), (43, 1191183), (129, 397061), (131, 390999), (301, 170169), (393, 130333), (433, 118293), (903, 56723), (917, 55857), (1299, 39431), (2751, 18619), (3031, 16899), (5633, 9093)]