69210729

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15473}}^1$

素因数の和:15557

約数の個数: 24

約数和(自身を含む): 115869312

約数和(自身を除く): 46658583

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 15473, 46419, 108311, 139257, 324933, 974799, 1098583, 3295749, 7690081, 9887247, 23070243, 69210729]

約数ペア:

[(1, 69210729), (3, 23070243), (7, 9887247), (9, 7690081), (21, 3295749), (63, 1098583), (71, 974799), (213, 324933), (497, 139257), (639, 108311), (1491, 46419), (4473, 15473)]