198037371

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{15137}}^1$

素因数の和:15243

約数の個数: 24

約数和(自身を含む): 310631760

約数和(自身を除く): 112594389

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1869, 4361, 13083, 15137, 45411, 105959, 317877, 741713, 1347193, 2225139, 4041579, 9430351, 28291053, 66012457, 198037371]

約数ペア:

[(1, 198037371), (3, 66012457), (7, 28291053), (21, 9430351), (49, 4041579), (89, 2225139), (147, 1347193), (267, 741713), (623, 317877), (1869, 105959), (4361, 45411), (13083, 15137)]