16563729

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 29804544

約数和(自身を除く): 13240815

約数列:

[1, 3, 7, 13, 17, 21, 39, 43, 51, 83, 91, 119, 129, 221, 249, 273, 301, 357, 559, 581, 663, 731, 903, 1079, 1411, 1547, 1677, 1743, 2193, 3237, 3569, 3913, 4233, 4641, 5117, 7553, 9503, 9877, 10707, 11739, 15351, 18343, 22659, 24983, 28509, 29631, 46397, 55029, 60673, 66521, 74949, 128401, 139191, 182019, 199563, 324779, 385203, 424711, 788749, 974337, 1274133, 2366247, 5521243, 16563729]

約数ペア:

[(1, 16563729), (3, 5521243), (7, 2366247), (13, 1274133), (17, 974337), (21, 788749), (39, 424711), (43, 385203), (51, 324779), (83, 199563), (91, 182019), (119, 139191), (129, 128401), (221, 74949), (249, 66521), (273, 60673), (301, 55029), (357, 46397), (559, 29631), (581, 28509), (663, 24983), (731, 22659), (903, 18343), (1079, 15351), (1411, 11739), (1547, 10707), (1677, 9877), (1743, 9503), (2193, 7553), (3237, 5117), (3569, 4641), (3913, 4233)]