131644863

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 232128000

約数和(自身を除く): 100483137

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 71, 133, 171, 213, 399, 497, 639, 1197, 1349, 1491, 1549, 4047, 4473, 4647, 9443, 10843, 12141, 13941, 28329, 29431, 32529, 84987, 88293, 97587, 109979, 206017, 264879, 329937, 618051, 769853, 989811, 1854153, 2089601, 2309559, 6268803, 6928677, 14627207, 18806409, 43881621, 131644863]

約数ペア:

[(1, 131644863), (3, 43881621), (7, 18806409), (9, 14627207), (19, 6928677), (21, 6268803), (57, 2309559), (63, 2089601), (71, 1854153), (133, 989811), (171, 769853), (213, 618051), (399, 329937), (497, 264879), (639, 206017), (1197, 109979), (1349, 97587), (1491, 88293), (1549, 84987), (4047, 32529), (4473, 29431), (4647, 28329), (9443, 13941), (10843, 12141)]