31463991

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5273}}^1$

素因数の和:5312

約数の個数: 32

約数和(自身を含む): 53161920

約数和(自身を除く): 21697929

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 5273, 5967, 15819, 47457, 68549, 89641, 142371, 205647, 268923, 616941, 806769, 1165333, 1850823, 2420307, 3495999, 10487997, 31463991]

約数ペア:

[(1, 31463991), (3, 10487997), (9, 3495999), (13, 2420307), (17, 1850823), (27, 1165333), (39, 806769), (51, 616941), (117, 268923), (153, 205647), (221, 142371), (351, 89641), (459, 68549), (663, 47457), (1989, 15819), (5273, 5967)]