72457281

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12143}}^1$

素因数の和:12182

約数の個数: 32

約数和(自身を含む): 122411520

約数和(自身を除く): 49954239

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 5967, 12143, 36429, 109287, 157859, 206431, 327861, 473577, 619293, 1420731, 1857879, 2683603, 4262193, 5573637, 8050809, 24152427, 72457281]

約数ペア:

[(1, 72457281), (3, 24152427), (9, 8050809), (13, 5573637), (17, 4262193), (27, 2683603), (39, 1857879), (51, 1420731), (117, 619293), (153, 473577), (221, 327861), (351, 206431), (459, 157859), (663, 109287), (1989, 36429), (5967, 12143)]