31234329

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1777}}^1$

素因数の和:1827

約数の個数: 40

約数和(自身を含む): 55075328

約数和(自身を除く): 23840999

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 1777, 1953, 2511, 5331, 5859, 12439, 15993, 17577, 37317, 47979, 55087, 111951, 143937, 165261, 335853, 385609, 495783, 1007559, 1156827, 1487349, 3470481, 4462047, 10411443, 31234329]

約数ペア:

[(1, 31234329), (3, 10411443), (7, 4462047), (9, 3470481), (21, 1487349), (27, 1156827), (31, 1007559), (63, 495783), (81, 385609), (93, 335853), (189, 165261), (217, 143937), (279, 111951), (567, 55087), (651, 47979), (837, 37317), (1777, 17577), (1953, 15993), (2511, 12439), (5331, 5859)]