51172947

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{42751}}^1$

素因数の和:42783

約数の個数: 24

約数和(自身を含む): 88924160

約数和(自身を除く): 37751213

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 42751, 128253, 299257, 384759, 812269, 897771, 2436807, 2693313, 5685883, 7310421, 17057649, 51172947]

約数ペア:

[(1, 51172947), (3, 17057649), (7, 7310421), (9, 5685883), (19, 2693313), (21, 2436807), (57, 897771), (63, 812269), (133, 384759), (171, 299257), (399, 128253), (1197, 42751)]