31845879

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{593}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 54486432

約数和(自身を除く): 22640553

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 243, 351, 459, 593, 663, 1053, 1377, 1779, 1989, 3159, 4131, 5337, 5967, 7709, 10081, 16011, 17901, 23127, 30243, 48033, 53703, 69381, 90729, 131053, 144099, 208143, 272187, 393159, 624429, 816561, 1179477, 1873287, 2449683, 3538431, 10615293, 31845879]

約数ペア:

[(1, 31845879), (3, 10615293), (9, 3538431), (13, 2449683), (17, 1873287), (27, 1179477), (39, 816561), (51, 624429), (81, 393159), (117, 272187), (153, 208143), (221, 144099), (243, 131053), (351, 90729), (459, 69381), (593, 53703), (663, 48033), (1053, 30243), (1377, 23127), (1779, 17901), (1989, 16011), (3159, 10081), (4131, 7709), (5337, 5967)]