128499357

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{349}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 199584000

約数和(自身を除く): 71084643

約数列:

[1, 3, 7, 21, 89, 197, 267, 349, 591, 623, 1047, 1379, 1869, 2443, 4137, 7329, 17533, 31061, 52599, 68753, 93183, 122731, 206259, 217427, 368193, 481271, 652281, 1443813, 6119017, 18357051, 42833119, 128499357]

約数ペア:

[(1, 128499357), (3, 42833119), (7, 18357051), (21, 6119017), (89, 1443813), (197, 652281), (267, 481271), (349, 368193), (591, 217427), (623, 206259), (1047, 122731), (1379, 93183), (1869, 68753), (2443, 52599), (4137, 31061), (7329, 17533)]