20172537

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 38584320

約数和(自身を除く): 18411783

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 63, 77, 93, 99, 189, 217, 231, 279, 297, 313, 341, 651, 693, 837, 939, 1023, 1953, 2079, 2191, 2387, 2817, 3069, 3443, 5859, 6573, 7161, 8451, 9207, 9703, 10329, 19719, 21483, 24101, 29109, 30987, 59157, 64449, 67921, 72303, 87327, 92961, 106733, 203763, 216909, 261981, 320199, 611289, 650727, 747131, 960597, 1833867, 2241393, 2881791, 6724179, 20172537]

約数ペア:

[(1, 20172537), (3, 6724179), (7, 2881791), (9, 2241393), (11, 1833867), (21, 960597), (27, 747131), (31, 650727), (33, 611289), (63, 320199), (77, 261981), (93, 216909), (99, 203763), (189, 106733), (217, 92961), (231, 87327), (279, 72303), (297, 67921), (313, 64449), (341, 59157), (651, 30987), (693, 29109), (837, 24101), (939, 21483), (1023, 19719), (1953, 10329), (2079, 9703), (2191, 9207), (2387, 8451), (2817, 7161), (3069, 6573), (3443, 5859)]