31139523

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 46155408

約数和(自身を除く): 15015885

約数列:

[1, 3, 9, 67, 113, 201, 339, 457, 603, 1017, 1371, 4113, 7571, 22713, 30619, 51641, 68139, 91857, 154923, 275571, 464769, 3459947, 10379841, 31139523]

約数ペア:

[(1, 31139523), (3, 10379841), (9, 3459947), (67, 464769), (113, 275571), (201, 154923), (339, 91857), (457, 68139), (603, 51641), (1017, 30619), (1371, 22713), (4113, 7571)]