139607517

素因数分解:

$3^1\times 7^3\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 218444800

約数和(自身を除く): 78837283

約数列:

[1, 3, 7, 21, 49, 147, 211, 343, 633, 643, 1029, 1477, 1929, 4431, 4501, 10339, 13503, 31017, 31507, 72373, 94521, 135673, 217119, 220549, 407019, 661647, 949711, 2849133, 6647977, 19943931, 46535839, 139607517]

約数ペア:

[(1, 139607517), (3, 46535839), (7, 19943931), (21, 6647977), (49, 2849133), (147, 949711), (211, 661647), (343, 407019), (633, 220549), (643, 217119), (1029, 135673), (1477, 94521), (1929, 72373), (4431, 31507), (4501, 31017), (10339, 13503)]