51172719

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1303}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 78865920

約数和(自身を除く): 27693201

約数列:

[1, 3, 13, 19, 39, 53, 57, 159, 247, 689, 741, 1007, 1303, 2067, 3021, 3909, 13091, 16939, 24757, 39273, 50817, 69059, 74271, 207177, 321841, 897767, 965523, 1312121, 2693301, 3936363, 17057573, 51172719]

約数ペア:

[(1, 51172719), (3, 17057573), (13, 3936363), (19, 2693301), (39, 1312121), (53, 965523), (57, 897767), (159, 321841), (247, 207177), (689, 74271), (741, 69059), (1007, 50817), (1303, 39273), (2067, 24757), (3021, 16939), (3909, 13091)]