31817115

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 67392000

約数和(自身を除く): 35574885

約数列:

[1, 3, 5, 9, 11, 15, 17, 19, 33, 45, 51, 55, 57, 85, 95, 99, 153, 165, 171, 187, 199, 209, 255, 285, 323, 495, 561, 597, 627, 765, 855, 935, 969, 995, 1045, 1615, 1683, 1791, 1881, 2189, 2805, 2907, 2985, 3135, 3383, 3553, 3781, 4845, 6567, 8415, 8955, 9405, 10149, 10659, 10945, 11343, 14535, 16915, 17765, 18905, 19701, 30447, 31977, 32835, 34029, 37213, 41591, 50745, 53295, 56715, 64277, 98505, 111639, 124773, 152235, 159885, 170145, 186065, 192831, 207955, 321385, 334917, 374319, 558195, 578493, 623865, 707047, 964155, 1674585, 1871595, 2121141, 2892465, 3535235, 6363423, 10605705, 31817115]

約数ペア:

[(1, 31817115), (3, 10605705), (5, 6363423), (9, 3535235), (11, 2892465), (15, 2121141), (17, 1871595), (19, 1674585), (33, 964155), (45, 707047), (51, 623865), (55, 578493), (57, 558195), (85, 374319), (95, 334917), (99, 321385), (153, 207955), (165, 192831), (171, 186065), (187, 170145), (199, 159885), (209, 152235), (255, 124773), (285, 111639), (323, 98505), (495, 64277), (561, 56715), (597, 53295), (627, 50745), (765, 41591), (855, 37213), (935, 34029), (969, 32835), (995, 31977), (1045, 30447), (1615, 19701), (1683, 18905), (1791, 17765), (1881, 16915), (2189, 14535), (2805, 11343), (2907, 10945), (2985, 10659), (3135, 10149), (3383, 9405), (3553, 8955), (3781, 8415), (4845, 6567)]