13808991

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 22602240

約数和(自身を除く): 8793249

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 653, 1007, 1113, 1959, 3021, 4571, 7049, 12407, 13713, 21147, 34609, 37221, 86849, 103827, 242263, 260547, 657571, 726789, 1972713, 4602997, 13808991]

約数ペア:

[(1, 13808991), (3, 4602997), (7, 1972713), (19, 726789), (21, 657571), (53, 260547), (57, 242263), (133, 103827), (159, 86849), (371, 37221), (399, 34609), (653, 21147), (1007, 13713), (1113, 12407), (1959, 7049), (3021, 4571)]